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BMW Radiators

We sell only OE supplier or approved aftermarket upgrade radiators for your BMW. It seems BMW took some shortcuts when it came to radiator design and used weak materials like plastic for critical connection points. If you are tracking older models like E30, E36, or E46, you probably are well aware of these issues. As these cars age, the plastic pieces become more brittle and failure prone. The solution is to replace with upgraded radiators that perform as upgrades for the original, failure prone radiator to avoid being left on the side of the road or, worse yet, the track.
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CSFxTurner Dual Core Performance Aluminum Radiator - E9X N54/N55 6MT ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:43142739
Part#: 004443LA01
Ships on Sep 14, 2026
Sale - Save 3% $ 604.99

This product was last offered at the strikethrough price on
06-14-2026

$ 586.84 USD
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Sale - Save 3%
$ 604.99

This product was last offered at the strikethrough price on
06-14-2026

$ 586.84 USD
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Track-tested and street-ready. the ULTIMATE cooling system upgrade for your N54 or N55!

Ditch your failure-prone plastic end tanks and increase cooling capacity by 25%, all without modifying your core support or accompanying shrouds. The CSFxTurner Performance Triple-Pass Radiator is the best cooling system upgrade for your N54/N55-equipped BMW!

The BMW 135i and 335i deliver serious performance straight from the factory, thanks to the twin-turbocharged N54 and single-turbo N55 engines. With strong midrange torque, high-revving capabilities, and proven tuning potential, these engines punch well above their weight. However, while the powertrain excels, the factory cooling system often falls short, especially under sustained boost or track conditions. Heat soak, rising coolant temps, and long-term thermal stress are common issues for enthusiasts pushing their N54 or N55 hard, making a performance radiator an essential upgrade for reliability and consistency.

Recognizing the critical need for increased cooling capacity, the team at Turner Motorsport partnered with CSF Race, world leaders in high-performance cooling systems with over 50 years of experience. The result is an Upgraded Performance Radiator: a high-performance, motorsport-grade upgrade engineered to keep your N54/N55 cooler and on the track for longer.

Design:

CSF-Exclusive "B-Tube" Technology
Unlike conventional "O-tube" designs, CSF’s patented "B-tube" structure increases wall strength while creating a more efficient flow path. This alone accounts for a 15% increase in cooling capacity over an OE "O-tube" radiator!
Dual Core Design
2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology
Two-Row Compact Structure
This radiator was designed with precise fitment in mind. While total tube count and size are increased, the overall radiator dimensions stay the same as OE, ensuring a drop-in fit with zero modifications required.
25% Increase in Cooling Capacity
All of the above design features translate to a massive 25% cooling increase over the stock radiator!
FEATURES & BENEFITS

Direct-fit upgrade, no modifications required!
Accepts all OEM attachments via CNC-machined "Quick-Connect" hose ends and accessory mounting provisions
TIG-welded aluminum construction provides increased durability
An all-aluminum drain plug replaces the weak OE plastic unit, ensuring seamless functionality for the life of the radiator
Increased cooling efficiency for high-performance and racing use
Aluminum drain plug
Designed and tested by Turner Motorsport in collaboration with CSF Race
Backed by the Turner Lifetime Replacement Program
Every unit features precision CNC-machined brackets and OE-style connections for a seamless, drop-in installation using factory or aftermarket hoses. Whether you're building a track weapon or a high-horsepower street car, this Turner x CSF radiator is the cooling solution your N54 or N55 needs to perform reliably under pressure. All backed by the Turner Lifetime Replacement Program.

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CSFxTurner Performance Triple-Pass Radiator - E46 M3 S54 3.2L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:41154282
Part#: 004268LA01
Back Ordered
$ 604.99 USD
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$ 604.99 USD
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Ditch your failure-prone plastic end tanks and increase cooling capacity by 25%—all without modifying your core support or accompanying shrouds. This Performance Triple-Pass Radiator is the ULTIMATE cooling system upgrade for your S54-equipped BMW!

The E46 M3 is a masterclass in German engineering. Harboring six independent throttle bodies, infinitely variable dual-VANOS, and an 8,000 RPM redline, the S54 is practically a racing engine for the road. Unfortunately, the engine's motorsport pedigree didn't quite make it to the cooling system. The OEM radiator, while superior to its non-M counterpart, struggles to keep coolant temperature in check under sustained high-RPM conditions. Heat soak, elevated operating temperatures, and component fatigue are all too familiar to M3 owners who track their S54 regularly.

To solve this problem, we teamed up with CSF Race, a global leader in high-performance cooling solutions with over five decades of industry experience. Together, we developed the CSFxTurner Triple-Pass Radiator: a high-performance, no-compromise solution built to meet the cooling demands of track-day warriors.

Part Design:

CSF-Exclusive "B-Tube" Technology Unlike conventional "O-tube" designs, CSF’s patented B-tube structure increases wall strength while creating a more efficient flow path. This alone accounts for a 15% increase in cooling capacity over an OE "o-tube" radiator! Triple-Pass Core Design As the name suggests, this unique structure forces coolant through the core three times before exit, resulting in a substantial temperature delta across the radiator core. Two-Row Compact Structure This radiator was designed with precise fitment in mind. While total tube count and size are increased, the overall radiator dimensions stay the same as OE, ensuring a drop-in fit with zero modifications required. 25% Increase in Cooling Capacity All of the above design features translate to a massive 25% cooling increase over the stock radiator! Features & Performance Benefits:

Direct-fit upgrade—no modifications required! Accepts all OEM attachments via CNC-machined "Quick-Connect" hose ends and accessory mounting provisions TIG-welded aluminum construction provides increased durability An all-aluminum drain plug replaces the weak OE plastic unit, ensuring seamless functionality for the life of the radiator Increased cooling efficiency for high-performance and racing use Designed and tested by Turner Motorsport in collaboration with CSF Race

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High Performance Aluminum Heat Exchanger - F8X S55
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Turner Motorsport - Corporate Logo
T#:47850810
Part#: 050626LA01
In Stock
Sale - Save 25% $ 509.99

This product was last offered at the strikethrough price on
06-14-2026

$ 382.49 USD
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Sale - Save 25%
$ 509.99

This product was last offered at the strikethrough price on
06-14-2026

$ 382.49 USD
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BMWs turbocharged S55 engine uses a water-to-air charge air cooling system, with a front-mounted heat exchanger responsible for heat dissipation. Unfortunately, the factory single-row, 27mm core design is quick to heat soak under high load, leading to excessive intake air temperatures and potential limp mode conditions especially on modified or track-driven cars.

To solve this issue, we've developed a drop-in upgrade over the factory unit. Engineered for durability and maximum cooling efficiency, this heat exchanger is a must-have for high-horsepower street builds, spirited canyon driving, and extended track sessions. Built from TIG-welded 5052 aluminum, our design eliminates the factory plastic end tanks one of the systems most common failure points. Each heat exchanger features CNC-machined billet aluminum hose connections, mounting flanges, and brackets for perfect OE fitment and trouble-free installation.

By replacing the OEM 27mm single-row core with a robust 35mm dual-row design, this heat exchanger dramatically increases both cooling capacity and surface area. Frontal area jumps from 307mm to 475mm, resulting in a 100% increase in coolant volume and significantly improved heat-soak resistance. The outcome? Lower, more stable charge air temperatures that help your S55 deliver consistent, reliable power on the street or at the track.

Replaces OEM part numbers 17112284608 and 17112459062.

Features:

5052 aluminum construction eliminates plastic end tank failures A performance-oriented, dual-row core provides a 55% increase in frontal surface area, and a 100.29% increase in coolant volume over the OE heat exchanger! OE Heat Exchanger: Single-row core 27mm core thickness 307mm core height ECS High Performance Aluminum Heat Exchanger: Dual-row core 35mm core thickness 475mm core height TIG-welded 5052 aluminum end tanks, polished to a mirror finish for a high-quality look CNC-machined connectors and bracketry ensure seamless fitment with factory cooling hoses, transmission cooler lines, condenser, and radiator Drop-in upgrade - no modifications required for installation! Product Development:

Our High Performance Aluminum Heat Exchanger was designed, engineered, tested, and quality inspected by our Research and Development team in our Wadsworth, Ohio, facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.

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Carbon Fiber Radiator Cover - G80, G82, G83, G87
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:6181683
Part#: 003115LA01
Ships on Oct 21, 2026
Sale - Save 3% $ 547.99

This product was last offered at the strikethrough price on
06-14-2026

$ 531.55 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 547.99

This product was last offered at the strikethrough price on
06-14-2026

$ 531.55 USD
Free Shipping on orders $49 and up

Replace your factory, stamped aluminum radiator slam panel with a more lively gloss carbon fiber version for a look that sets your car apart from the rest.

Pop the hood! Say so long to the plain satin black radiator cover, our Turner carbon fiber engine cover looks so good along with the S58 and can transform the appearance of your engine bay in just minutes. One of the first things you do with a new car is take care of all the simple modifications to get the best out car without taking it apart. Remove your factory radiator slam panel and replace it with your new carbon fiber cover to check one modification off the list! Be the one who stands out from the other S58-equipped cars with their hoods open.

Our Turner Carbon radiator cover starts with a mold of the original component to get the best factory-form fitment possible. The cover is made from hand-laid carbon fiber material with pre-impregnated carbon fiber cloth and epoxy resin and finished in a beautiful gloss clear coat for UV-protection and extra durability. Be sure to check out the other incredible carbon fiber pieces Turner offers to enhance your G chassis!

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BMW E36 Radiator Stay
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Reboot Engineering - Corporate Logo
T#:590254
Part#: E36RS-1
Back Ordered
$ 54.99 USD
Free Shipping on orders $49 and up
These radiator stays are constructed from 6061 Aluminum and are finished in Black to blend into your engine bay. Each stay is a two-piece assembly that clamps onto the core support. This radiator stay upgrade also includes stainless steel hardware required for installation.
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M50 M52 S50 S52 High Performance Aluminum Radiator
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ECS - Corporate Logo
T#:385051
Part#: 006084ECS01AKT
In Stock
Sale - Save 25% $ 420.99

This product was last offered at the strikethrough price on
06-13-2026

$ 315.71 USD
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Sale - Save 25%
$ 420.99

This product was last offered at the strikethrough price on
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$ 315.71 USD
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Every hero has its Achilles heel, and for many BMWs, it's the cooling system. Featuring an overabundance of brittle, crack-prone, leak-inducing plastic, the otherwise robust drivetrain is let down by a weak cooling system. Now, ECS has come to the rescue with a solution to cure those problems once and for all and leave the days of cracked plastic end tanks and coolant-stained driveways far behind. This radiator was designed with performance, durability, and good looks in mind to create a great all-around upgrade for any E36 owner, from the daily driver to the weekend warrior. Featuring fully aluminum construction, all the joints are precision TIG-welded for superior durability and show-car looks, with polished end tanks further adding to the great look of this radiator. The easily-stripped plastic drain plug and fan switch holes have been replaced with threaded alloy bungs in the stock locations, and the weak plastic tabs for the factory fan shroud have been replaced with beefy aluminum as well. Designed as a drop-in solution, this radiator will fit like a stock replacement, but will look and perform far better, while costing substantially less than the competition. What are you waiting for? Upgrade your cooling system today and leave your worries behind - and look great doing it - with this ECS Tuning Performance Aluminum Radiator. Note: Owners of automatic E36s utilizing a stock-style transmission cooler must drill two small holes in the lower frame of the radiator.
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CSF High Performance Aluminum Radiator - E36
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:384649
Part#: 3054
In Stock
$ 395.00 USD
Free Shipping
$ 395.00 USD
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CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
1992-1999 E36 BMW All Submodels

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CSF High Performance 2 Row Core Aluminum Radiator - E8x 135i E9x 335i...
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:384653
Part#: 7046
In Stock
9% off MSRP $ 699.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 639.00 USD
Free Shipping
9% off MSRP
$ 699.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 639.00 USD
Free Shipping

CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
2007-2011 E82/E88 BMW 135i, 1 M Coupe with automatic transmission
2006-2012 E9X BMW 335i/is with automatic transmission
2009+ E89 BMW Z4 30i 35i/is

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CSF High Performance Aluminum Radiator - E46
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:384650
Part#: 3055
In Stock
$ 409.00 USD
Free Shipping
$ 409.00 USD
Free Shipping

CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
1998-2006 E46 BMW All Submodels
2002-2008 E85/86 BMW M Coupe & M Roadster

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CSF Auxiliary Radiator W/ Rock Guard - F8X M3/M4/M2 Comp
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:21308433
Part#: 8258
In Stock
6% off MSRP $ 499.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 469.00 USD
Free Shipping
6% off MSRP
$ 499.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 469.00 USD
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Like the other cooling systems on the F8X, the factory auxiliary radiators do a pretty good job in stock form. However, once you start adding a lot of power and pushing the car in aggressive driving conditions, the factory systems start to show its limitations. As more and more owners have pushed the limits of their S55, CSF saw the need and demand. The F8X platform is also almost a decade old with the newest examples being at least 5 years old. Over time the original coolers end up with damaged or clogged fins that greatly reduce their cooling capacity. CSF designed the coolers to be a true “Drop-in Fit” for easy installation. Each cooler mounts in the factory location and uses the OEM quick connections. The High-Performance Auxiliary Radiators work in conjunction with the rest of the cooling system to reduce temperatures. They not only help keep temperatures in optimal ranges, but prolong the heat soak threshold. There’s nothing worse than having your track session cut short because you need to do a cooldown lap. Each CSF F8X Auxiliary Radiator can fit the left or right side. The fitting and plugs are swappable and can be easily setup for either side. Compared to the OEM F8X coolers, the CSF units are a significant upgrade. CSF eliminated the OE plastic mounting pod by incorporating it into the modular design that fits both sides. This design improvement increases the size of both the core and tanks. The extra space taken from the mounting pod allowed for a ~7% increase in Core Size and an ~10% increase in Tank Volume. With a larger 2-row 42mm core, cooling efficiency and capacity are drastically increased. The high efficiency core using CSF’s Exclusive B-Tube Technology maximizes airflow and heat dissipation. 100% All-Aluminum construction ensures the best performance and durability. The mounting pins and brackets are much stronger and more durable than the OE plastic pod mounting system. In addition, the black finish provides extra protection and offers a stealthy look behind the grilles of your F8X. In addition, the CSF auxiliary radiators also feature integrated bolt on rock guards to keep the coolers safe. You’ve no doubt heard horror stories about OEM coolers getting punctured and spilling fluids all over the road or track. Now you can feel more confident that your cooling system is safer from road debris. CSF used a modular design so the auxiliary radiator can fit either side. There are several benefits to this type of design and offers several benefits. One of those benefits is for serious track applications. Having spare parts is always a great idea. Having one auxiliary radiator that fits both sides where you’d normally need one of each is a big cost and space saver. Getting an extra as backup is more cost/space efficient with the CSF units. Product Features: Sold Individually – all applications require 2 auxiliary radiators Multi-Fit – Fits Both Left & Right Side 2-Row 42mm High-Performance Core Featuring CSF’s B-Tube Technology Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact Tank Volume increased by 10% and Core Size Increased by 6.4% 100% All-Aluminum TIG-Welded Construction OEM Style “Quick Connect” Inlet/Outlet True “Drop-in Fit” Requires No Modifications to Install Includes Detachable Rock Guard Individually Leak and Pressure Tested High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement Satin Black Finish for OEM+ Look 2-Year Limited Warranty Replaces BMW # 17112284603 or 17112284604 Applications: 2015-2018 BMW F80 M3 (incl. CS & Competition) 2015-2020 BMW F82/F83 M4 (incl. CS, GTS, & Competition) 2019-2021 BMW F87 M2 Competition (incl. CS)
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ECS Exact-Fit Silicone Upper Radiator Hose - F22/F23/F3X N55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECS - Corporate Logo
T#:31390581
Part#: 008642LA02
Ships on Aug 28, 2026
Sale - Save 25% $ 75.99

This product was last offered at the strikethrough price on
06-14-2026

$ 56.99 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 75.99

This product was last offered at the strikethrough price on
06-14-2026

$ 56.99 USD
Free Shipping on orders $49 and up

Whether you're refreshing your cooling system or replacing aging components, this ECS Silicone Upper Radiator Hose is the ultimate upgrade. Designed for durability, performance, and a factory-perfect fit, these premium silicone hoses outperform standard rubber in every way.

Made from heavy-duty, reinforced 4-ply fluorosilicone, this ECS hose can withstand extreme temperatures and pressures far beyond OEM rubber. Engineered to resist oil, fuel, and electrochemical degradation, this hose is tested for continuous operation at 250°F and over 45 psi, delivering superior reliability, reduced turbulence, and improved coolant flow.

Key Benefits:

Direct OE Fitment – Perfectly molded to factory specifications for seamless installation. Enhanced Durability – Heat-resistant silicone prevents cracking, swelling, and deterioration over time. Superior Cooling Performance – Smoother internal passageways improve coolant flow and system efficiency. Pre-Installed Quick-Connect Fittings – Hassle-free installation with OEM-style connectors. Premium Hardware Included – Comes with German-style stainless steel worm-drive hose clamps for a secure fit. Kit Includes:

ECS Silicone Upper Radiator Hose Pre-Installed Factory "Quick-Connect" Flanges (2) Stainless Steel Worm-Drive Hose Clamps (2) Replaces OEM Part Number 17127604542.

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CSF High Performance Aluminum Radiator - E8x 135i, 1M coupe, E9x 335i...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:384652
Part#: 7045
In Stock
$ 589.00 USD
Free Shipping
$ 589.00 USD
Free Shipping

CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
2007-2011 E82/E88 BMW 135i, 1 M Coupe with manual transmission
2006-2012 BMW 335i/is with manual transmission

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Powerflex Street Offset Lower Radiator Mounts
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Powerflex - Corporate Logo
T#:21637255
Part#: PFF5-4652
In Stock
$ 42.99 USD
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Powerflex Offset Lower Radiator Mounts for BMW E30, E36, E46, Z3, and Z4 offer a comprehensive range of benefits, including heightened cooling efficiency, precise radiator alignment, extended durability, noise reduction, compatibility with BMW models, and suitability for performance-oriented driving scenarios. These mounts are the preferred choice for BMW owners seeking to enhance their vehicle's cooling system performance, whether for daily driving or high-performance applications. Powerflex Offset Lower Radiator Mounts for BMW bring a host of advantages, encompassing: Enhanced Cooling Efficiency: Engineered for improved radiator positioning, these mounts enhance airflow, resulting in superior cooling performance. This ensures that the engine maintains an optimal temperature, reducing the risk of overheating during extended use or demanding conditions. Precise Radiator Alignment: These mounts offer precise radiator alignment, securing it firmly in place. This precision minimizes the potential for vibrations or alignment issues that could lead to leaks or inefficient cooling. Improved Durability and Longevity: Powerflex Offset Lower Radiator Mounts are meticulously crafted using durable polyurethane and high-quality materials. This robust construction enhances the mounts' lifespan, ensuring they can withstand the rigors of daily driving and challenging environments. Reduction in Vibrations and Noise: The secure and stable mounting provided by these mounts effectively reduces vibrations and noise stemming from radiator movement. This leads to a quieter and smoother driving experience without compromising cooling efficiency. BMW Model Compatibility: Designed exclusively for BMW vehicles, these mounts seamlessly and effectively integrate with your vehicle. They cater to the needs of BMW enthusiasts seeking to augment cooling performance and preserve their vehicle's reliability. Ideal for Performance Enthusiasts: Powerflex Offset Lower Radiator Mounts hold particular appeal for performance enthusiasts. They present an effective solution for optimizing cooling in high-performance BMW models, ensuring consistent engine performance during spirited drives or track sessions.
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BMW E30 Performance Aluminum Radiator
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ECS - Corporate Logo
T#:367036
Part#: 006084ECS01A
In Stock
Sale - Save 25% $ 412.99

This product was last offered at the strikethrough price on
06-13-2026

$ 309.74 USD
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Sale - Save 25%
$ 412.99

This product was last offered at the strikethrough price on
06-13-2026

$ 309.74 USD
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ECS Tuning has answered the call, delivering a solution to eliminate these issues once and for all, bidding farewell to cracked plastic end tanks and unsightly coolant stains on driveways.

Key Features and Benefits:

  • Performance and Durability: This radiator is meticulously crafted with an emphasis on performance, durability, and aesthetics. It represents a comprehensive upgrade for all E30 owners, whether they use their vehicles for daily commuting or weekend adventures.

  • Full Aluminum Construction: The radiator is constructed entirely from aluminum, ensuring superior strength and longevity. Precision TIG welding at all joints not only enhances durability but also imparts a show-car quality appearance.

  • Polished End Tanks: Polished end tanks contribute to the radiator's striking appearance, elevating the overall aesthetics of your BMW E30.

  • Enhanced Design: Weak plastic components, such as the drain plug and fan switch holes, have been replaced with threaded alloy bungs in stock locations. The factory fan shroud's weak plastic tabs have been upgraded to robust aluminum.

  • Drop-In Solution: Designed as a hassle-free drop-in solution, this radiator seamlessly fits into place like a stock replacement, yet it offers remarkable performance and aesthetics at a substantially lower cost than comparable options.

Upgrade your cooling system today, bid farewell to worries, and do it all with style – choose the ECS Tuning Performance Aluminum Radiator for your BMW E30. Experience superior cooling performance, durability, and aesthetic enhancement in one exceptional radiator upgrade. Don't wait; make the smart choice for your BMW E30 today.

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BMW E8X E9X Billet Aluminum Radiator Drain Plug
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ECS - Corporate Logo
T#:367075
Part#: 013197ECS01A
In Stock
Sale - Save 25% $ 47.99

This product was last offered at the strikethrough price on
06-13-2026

$ 35.99 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 47.99

This product was last offered at the strikethrough price on
06-13-2026

$ 35.99 USD
Free Shipping on orders $49 and up

Ensure your BMW's cooling system stays in top shape with ECS Tuning's Billet Aluminum Radiator Drain Plug. Designed specifically for late-model 1-Series and 3-Series BMWs, this replacement plug addresses the common issue of weak plastic drain plugs. Constant exposure to engine heat and road debris makes the plastic plugs brittle, leading to frustration with broken plugs. ECS Tuning's billet aluminum alternative puts an end to these problems.

  • Durable Replacement: Say goodbye to weak plastic drain plugs.
  • Enhanced Material: Billet aluminum provides superior strength and longevity.
  • Deeper Screw Head: Accommodates Phillips head or flat head screwdrivers for better engagement.
  • Reduced Stripping Risk: Minimize the chance of stripping out the screw head.

Don't let cooling system maintenance be a hassle. Order ECS Tuning's Billet Aluminum Radiator Drain Plug now and experience worry-free service.

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CSF High Performance Aluminum Radiator - E46 M3
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:384654
Part#: 7058
In Stock
$ 645.00 USD
Free Shipping
$ 645.00 USD
Free Shipping

CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a two-row, triple-pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
2001-2006 E46 BMW M3

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CSF High-Performance Auxiliary Radiator - BMW G8X M3/M4/M2 S58 3.0L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:37521036
Part#: 8321
In Stock
7% off MSRP $ 519.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 485.00 USD
Free Shipping
7% off MSRP
$ 519.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 485.00 USD
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CSF designed the coolers to be a true “Drop-in Fit” for easy installation fitting both left and right sides. Each cooler mounts in the factory location and uses the OEM quick connections. The High-Performance Auxiliary Radiators work in conjunction with the rest of the cooling system to reduce temperatures. They not only help keep temperatures in optimal ranges but also prolongs the heat soak threshold. There’s nothing worse than having your track session cut short because you need to do a cooldown lap.

Compared to the OEM G8X coolers, the CSF units are a significant upgrade. The TIG welded aluminum tanks are much larger than the OE plastic tanks offering superior strength and fluid volume. A larger 2-row 42mm core increases cooling efficiency and capacity. This high-efficiency core uses CSF’s Exclusive B-Tube Technology and the latest 5mm fin technology, maximizing airflow and heat dissipation. These 5mm fins significantly increase the heat exchange surface area improving overall cooling efficiency and recovery while still maintaining good airflow.

100% All-Aluminum construction ensures the best performance and durability. The mounting pins and brackets are much stronger and more durable than the OE plastic pod mounting system. In addition, the black finish provides extra protection and offers a stealthy look behind the grilles of your G8X.

The CSF auxiliary radiators also feature integrated bolt on rock guards to keep the coolers safe. You’ve no doubt heard horror stories about OEM coolers getting punctured and spilling fluids all over the road or track. Now you can feel more confident that your cooling system is safer from road debris.

Because each auxiliary radiator is used for a different system you can elect to replace one at a time. For those looking to further improve the Charge Air Cooling system replace the right side auxiliary radiator. Those looking to improve the engine cooling system should replace the left side.


Features:

Sold Individually – all applications require 2 auxiliary radiators

Multi-Fit – Fits Both Left & Right Side

2-Row – 42mm High-Performance Core Featuring CSF’s Exclusive B-tube Technology

Ultra Efficient 5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact

Tank Volume and Core Size Increased

100% All-Aluminum TIG-Welded Construction

OEM Style “Quick Connect” Inlet/Outlet

True “Drop-in Fit” Requires No Modifications to Install

Includes Detachable Rock Guard

Individually Leak and Pressure Tested

High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement

Satin Black Finish for OEM+ Look

2-Year Limited Warranty


CSF vs OE:

Feature                           CSF           OEM

Core Width                  42mm          34mm

Core Rows                   2-row          1-row

Fin Height                     5mm           5mm

Tank Material         All Aluminum     Plastic

Construction     100% TIG welded  Crimp on gasket


OEM Part Number: BMW 17118095285 (17 11 8 095 285)


Fitment:

2021+ BMW G80 M3 (incl. Competition & CS) – 6MT & ZF8 Auto

2021+ BMW G82/G83 M4 (incl. Competition, CS, & CSL) – 6MT & ZF8 Auto

2022+ BMW G81 M3 (incl. Competition) – 6MT & ZF8 Auto

2022+ BMW G87 M2 (incl. Competition) – 6MT & ZF8 Auto

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CSF High Performance Aluminum Heat Exchanger - Black Finish - F8X M3/...
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CSF - Corporate Logo
T#:598765
Part#: 8075V
In Stock
$ 699.00 USD
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$ 699.00 USD
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If you are looking to track your BMW, we recommend upgrading your front mount heat exchanger with this upgrade from CSF! CSF heat exchangers offer larger cores with greater cooling capacity. They feature their exclusive "B-Tube" technology--lighter, thinner aluminum material carefully formed in a "B" and brazed over the seam to seal. The design is stronger and offers better cooling efficiency than traditional "O" shaped tubes.
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E90/92 M3 Aluminum Radiator
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DO88 - Corporate Logo
T#:13891817
Part#: WC190
In Stock at Vendor
$ 712.00 USD
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$ 712.00 USD
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The team at DO88 has vigorously tested this radiator to deliver peak performance with the peace of mind of quality for your N55 engine. They guarantee reliability and endurance in all situations to let your car breathe better than before! Boasting a 14% increase in core volume and 8% lower coolant temps, this upgrade is a no-brainer for petrol heads like us. Keeping core temperatures low eliminates the risk of heat soak leading to overheating giving you max performance at any given moment. no compromise has been made at DO88 leaving you with one of the best radiator options on the market!
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CSF OE Style Radiator - F22 F87 F30 F32
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CSF - Corporate Logo
T#:554028
Part#: 3829
In Stock
$ 113.99 USD
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$ 113.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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E36 323/325/328/M3 Mishimoto Performance Aluminum Radiator
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Mishimoto - Corporate Logo
T#:378418
Part#: MMRADE3692
In Stock
$ 360.99 USD
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$ 360.99 USD
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Mishimoto E36 Aluminum Radiator features -

  • All aluminum construction
  • More durable and longer lasting than plastic components
  • 30% more capacity in the same space
  • Excellent fit and finish
  • Unbeatable lifetime warranty and accident-forgiveness

Mishimoto radiators address all of the defects of the stock E36 radiator in a well-engineered and price-competitive direct replacement unit. The Mishimoto radiator is an all aluminum design that replaces the factory plastic and aluminum stock radiator. The stock plastic end tanks are notorious for cracking and leaks whereas the Mishimoto has aluminum end tanks that will never fail. Mishimoto can also build 30% more coolant capacity into the a radiator that fits in the original location with no modifications. More coolant volume means the fluid is not heat soaked for as long (less super heated fluid circulating through the engine). For a direct replacement performance radiator, the Mishimoto is hard to beat!

Mishimoto was established in 2003 as a supplier of cooling components for drift and rally cars. Their radiators and intercoolers soon found a strong following in the hyper competitive drift scene where high horsepower and prolonged high revs dictate the need for durable and robust cooling solutions. The catchy Mishimoto name is a combination of the name of the founder's family pet - Mishi - and "moto". All products are designed and tested in the USA using state-of-the-art CAD tools and prototyping and with continuous evolution of product design. Mishimoto is so dedicated to quality that they offer a limited lifetime warranty and accident forgiveness.

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CSF OE Style Radiator - F22/23 F3X
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CSF - Corporate Logo
T#:638779
Part#: 3725
In Stock
$ 95.99 USD
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$ 95.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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CSF High-Performance Radiator - Gen1 B58/ F87 M2
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CSF - Corporate Logo
T#:45210289
Part#: 8355
In Stock
$ 389.00 USD
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$ 389.00 USD
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CSF High Performance Aluminum Radiator - E39 540i M5 - Manual Transmi...
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CSF - Corporate Logo
T#:401086
Part#: 7064
In Stock
$ 689.00 USD
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$ 689.00 USD
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CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
09/1998+ E39 BMW 540i, M5 with a manual transmission

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Powerflex BMW E30 - E36 - E46 Offset Lower Radiator Mounts
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Powerflex - Corporate Logo
T#:34315165
Part#: PFF5-4652H
In Stock
$ 42.99 USD
Free Shipping on orders $49 and up

T

The BMW E30 / E36 / E46 Offset Lower Radiator Mounts are designed to provide enhanced support and positioning for the radiator in BMW models, specifically the E30, E36, and E46. These mounts are a practical upgrade for vehicles that require extra clearance, especially when using aftermarket or larger radiators in performance builds.

Key Features:

  1. Offset Design for Increased Clearance:

    • The offset configuration of these mounts offers additional room, making them ideal for accommodating larger radiators or custom cooling setups. This ensures proper fitment, especially in high-performance or modified vehicles.
  2. Stable and Secure Mounting:

    • These mounts provide firm support to keep the radiator securely in place, preventing unwanted movement or vibration, which is crucial for maintaining the cooling system’s efficiency during intense driving conditions.
  3. Durability and Heat Resistance:

    • Built from high-quality, heat-resistant materials, these mounts are designed to withstand the rigors of both daily driving and track use. They ensure long-lasting performance even under high temperatures and stress.
  4. Optimized Cooling Performance:

    • By ensuring the radiator is properly aligned and secured, these mounts help maximize the cooling system's performance. Proper positioning allows for efficient airflow through the radiator, which is vital for preventing overheating during demanding driving situations.
  5. Easy Installation:

    • These offset radiator mounts are designed as a direct-fit replacement, making installation simple and straightforward. They are compatible with the BMW E30, E36, and E46, allowing for an easy upgrade to support larger or performance-focused radiators.
  6. Perfect for Modified and Performance Builds:

    • Whether you're upgrading to a high-capacity radiator or modifying your vehicle for improved performance, these mounts offer the extra flexibility and stability needed for customized setups.

Benefits of Upgrading or Replacing:

  • Extra Clearance for Larger Radiators: The offset design allows for better fitment, especially when upgrading to a larger or aftermarket radiator.
  • Prevents Vibration and Damage: These mounts reduce the risk of damage caused by vibration or radiator movement, ensuring longer-lasting performance.
  • Enhanced Cooling Efficiency: Properly securing the radiator ensures that it can work at peak efficiency, leading to better cooling performance during high-demand driving.

In summary, the BMW E30 / E36 / E46 Offset Lower Radiator Mounts are an excellent choice for enthusiasts looking to upgrade their cooling system or accommodate a larger radiator. Their durable construction, ease of installation, and offset design make them a valuable addition for performance builds or maintaining cooling system reliability in modified BMWs.

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BMW S54 Swap High-Performance Radiator - E36/E46
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CSF - Corporate Logo
T#:15180812
Part#: 7211
EO#: D-802-19
In Stock
$ 599.00 USD
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$ 599.00 USD
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The S54 is arguably one of the greatest BMW motors of all time. Power delivery, balance, and sound are top notch. While it doesn’t compare in power potential to newer turbo powered inline 6 motors, many enthusiasts still love and crave the NA power delivery that BMW was and still is famous for. Despite not being the most powerful option, the S54 Swap has become increasingly popular in the BMW community for the E36 Chassis.
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CSF High Performance Intercooler Radiator - Polished - F22/23 F3X B46...
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CSF - Corporate Logo
T#:585012
Part#: 8131
In Stock
7% off MSRP $ 749.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 695.00 USD
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7% off MSRP
$ 749.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 695.00 USD
Free Shipping
CSF’s new high performance B58 heat exchanger drastically reduces water temperatures in the charge cooling cycle, which in turn reduces and stabilizes the intake air temperatures of the engine. With many unique features, included accessories, and of course, industry-leading performance, it’s without a doubt the best option on the market for every consumer whether it be for a daily driver or a high-performance race car.
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BMW E46 AAF Aluminum Radiator Mounting Kit
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Advanced Auto Fabrication - Corporate Logo
T#:7608839
Part#: 11641
In Stock at Vendor
$ 189.00 USD
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BMW E46 AAF Aluminum Radiator Mounting Kit provides a robust solution for mounting an aluminum radiator into the BMW E46 chassis without relying on the stock plastic mounts. Developed by Advanced Auto Fabrication, a company renowned for their expertise in producing high-performance race car components, this kit reflects their extensive knowledge and dedication to BMW race car design.

The mounting kit is designed to replace the stock mounting system and is compatible with lightweight aftermarket fans, as the stock electric fan cannot be used. Please note that this kit does not fit M3 models.

  • Durable Construction: Made from high-quality aluminum for strength and longevity.
  • Enhanced Cooling Efficiency: Allows for the use of aftermarket fans for improved cooling performance.
  • Race-Ready Design: Reflects Advanced Auto Fabrication's expertise in BMW race car components.
  • No Stock Plastic Mounts: Provides a more reliable and robust mounting solution than the factory system.
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CSF High Performance Aluminum Radiator - E9x 325i 328i 330i N52 ...
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CSF - Corporate Logo
T#:384651
Part#: 7001
Back Ordered
$ 535.00 USD
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$ 535.00 USD
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CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row, triple-pass design radiator core
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
2006-2012 E9X BMW 325i 328i 330i

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CSF OE Style Radiator - E39 525/528/530/540
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CSF - Corporate Logo
T#:638785
Part#: 2919
In Stock
$ 94.99 USD
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$ 94.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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CSF High Performance Aluminum Radiator - E9x M3
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CSF - Corporate Logo
T#:384655
Part#: 7059
In Stock
$ 685.00 USD
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$ 685.00 USD
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Using a two-row, triple-pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures.
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CSF High Performance Intercooler Radiator - Black - F22/23 F3X B46/48...
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CSF - Corporate Logo
T#:585020
Part#: 8131B
In Stock
$ 695.00 USD
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$ 695.00 USD
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CSF’s new high performance B58 heat exchanger drastically reduces water temperatures in the charge cooling cycle, which in turn reduces and stabilizes the intake air temperatures of the engine. With many unique features, included accessories, and of course, industry-leading performance, it’s without a doubt the best option on the market for every consumer whether it be for a daily driver or a high-performance race car.
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CSF OE Style Radiator - E39 528i (up to 09/1998)
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CSF - Corporate Logo
T#:638786
Part#: 2918
In Stock
$ 113.99 USD
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$ 113.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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CSF OE Style Radiator - F25 F26
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CSF - Corporate Logo
T#:638782
Part#: 3646
In Stock
$ 104.99 USD
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$ 104.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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CSF OE Style Radiator - E53 X5 M54 3.0L
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CSF - Corporate Logo
T#:554016
Part#: 3179
In Stock
$ 120.99 USD
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$ 120.99 USD
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CSF radiators are designed and built to High-Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! CSF's radiators are carefully engineered and Wind Tunnel tested for Cooling Performance Validation. CSF has over 10,000 different models of radiators that they manufacture and supply for all the leading brands of vehicles on the road.
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Mishimoto Performance Aluminum Radiator - E30 M3
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Mishimoto - Corporate Logo
T#:378444
Part#: MMRADE3082
In Stock at Vendor
$ 327.99 USD
$ 327.99 USD
Give your vehicle a cooler, more efficient running engine by installing a performance Mishimoto aluminum radiator. These radiators are a direct replacement to the factory unit making it an effortless install and provides up to a 30% more cooling capacity. Made from aircraft quality aluminum, these radiators have a dual row core and polished end tanks. So what are the advantages of an aluminum radiator? Well, first is the lightweight aspect of the radiator. You can run a larger radiator at the same weight as a stock unit. Also, in case of leaks years down the road, an aluminum radiator can be welded and repaired, saving costly replacement in the future. It is also much more durable, channeling heat better and resisting cracking and breaking, even at high temperatures. WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov. WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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RADIATOR 3.2L- 2 CORE- ALSO FIT M COUPE M ROADSTER- E36
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Spec-D Tuning - Corporate Logo
T#:20946747
Part#: RAD3Z398
Ships in 2 Business Days
$ 152.99 USD
$ 152.99 USD
1 piece of 2-row radiator Made of lightweight & long-lasting aluminum material Overall dimension: 24.5" (L) x 2.75" (W) x 18.5" (H) Inlet: 1.5"/ Outlet: 1.5" Provides maximum cooling efficiency
S55 Front Mount Heat Exchanger - F8X S55
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We Price Match - Give Us A Call or Chat!
VRSF - Corporate Logo
T#:640521
Part#: 10803020
Ships in 1 Business Day
$ 499.99 USD
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$ 499.99 USD
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Replace your inefficient factory front-mounted heat exchanger with the VRSF Competition upgrade kit to get the most performance and reliability out of your M2C, M3 & M4 with the S55 engine. They designed this kit to be one of the best performing, direct bolt on intercoolers available for your BMW with special attention to quality and performance while maintaining a reasonable price. Our intercoolers allow for higher HP gains, mainly due to their ability to keep intake temps down while preventing heat soak which is a common problem with the factory intercooler. This results in a more power and increased reliability with reduced chances of pre-detonation & knock.
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D088 Aluminum Radiator - 235i/335i/445i/M2 F chassis
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For automatic transmissions only
DO88 - Corporate Logo
T#:13891812
Part#: WC290
Ships on Jul 23, 2026
$ 540.99 USD
$ 540.99 USD
The team at DO88 has vigorously tested this radiator to deliver peak performance with the peace of mind of quality for your N55 engine. They guarantee reliability and endurance in all situations to let your car breathe better than before! Boasting a 23% increase in core volume and a 43% bigger coolant volume, this upgrade is a no-brainer for petrol heads like us. Keeping core temperatures low eliminates the risk of heat soak leading to overheating giving you max performance at any given moment. no compromise has been made at DO88 leaving you with one of the best radiator options on the market!
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CSF High-Performance All-Aluminum Radiator - BMW F22/23 F3X Gen 1 B58...
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CSF - Corporate Logo
T#:40478113
Part#: 7089
In Stock
$ 649.00 USD
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$ 649.00 USD
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As Gen 1 B58-powered BMWs in the F3X and F2X platforms have racked up miles and dropped in price, they’ve become go-to choices for tuners, track-day enthusiasts, and weekend warriors alike. With aging factory components and a growing number of owners modifying these cars, demand for motorsport-grade performance parts has surged. For those looking to push their Gen 1 B58 to the limit, upgrading the cooling system has quickly become a top priority. As more enthusiasts push the performance limits of F-Chassis BMWs, the factory radiator has started to show its age. Increased boost and upgraded turbos generate significantly more heat, and the stock system can struggle to keep up. Combined with the heat exchanger mounted in front of the radiator, engine coolant temps can get too hot, especially during track use which can trigger limp mode.
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CSF OE Style Radiator and Expansion Tank - E30 318i/is, E36 318i/is/t...
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CSF - Corporate Logo
T#:568373
Part#: 2524
In Stock
$ 124.99 USD
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$ 124.99 USD
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This is a factory original style radiator from CSF and will fit perfectly into the stock location. Cooling will be identical to what your car came with originally. A great replacement with all the proper connections and in all of the proper locations.
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CTS Turbo High Performance Heat Exchanger
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CTS - Corporate Logo
T#:18932328
Part#: CTS-A90-HX
Ships in 7 Business Days
$ 499.99

This product was last offered at the strikethrough price on
03-23-2026

$ 379.99 USD
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$ 379.99 USD
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The factory front-mounted heat exchanger is small and not efficient enough to provide enough cooling to tuned B48/B58 engines. CTS designed this heat exchange to overcome that problem. The double-pass core was made to be higher flowing and larger than the factory but still drop into the stock location. CNC machined mounting points and hose connections allow for a seamless install without any need to cut or trim any factory parts. Keep your B48/B58 running cool and reliably with the CTS Turbo Front Mount Heat Exchanger. Features: CNC machined mounting points and hose connection for factory fitment Drop-in design Smooth bends on the coolant connections High-efficiency double-pass aluminum core Hand-welded and pressure tested Lowers intake air temperature Installation hardware included Fully compatible with factory rock guard, simply transfer the factory parts over
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CSF High Performance Aluminum Radiator - F87 F22 F30 F32 F36 ...
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CSF - Corporate Logo
T#:401593
Part#: 7078
In Stock
$ 675.00 USD
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$ 675.00 USD
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CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion resistant hardware that allow final installation to have a same as stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. 

Features:

  • Two-row 42mm dual core with "B-Tube" technology
  • CNC machined mounting brackets
  • All needed hardware included
  • Hand polished aluminum with a mirror-like finish
  • Stock fitment prevents modification to engine bay

Fits the following BMWs:
2016+ F87 BMW M2
2012-2016 F22 BMW M235i/i xDrive
2012-2016 F30 BMW 335i/i xDrive
2012-2016 F32/36 BMW 435i/i xDrive

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BigPack BMW M3 E90/E92 - Manual
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DO88 - Corporate Logo
T#:35761627
Part#: BIG-M3-MAN
Ships on Jul 23, 2026
$ 1,972.99

This product was last offered at the strikethrough price on
04-25-2026

$ 1,696.99 USD
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$ 1,696.99 USD
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The BigPack Kit for the E90/E92 M3 Includes - M3 engine oil cooler - M3 power steering cooler - M3 radiator

BMW E36 High Performance Aluminum Radiator with Silicone Radiator Hos...
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ECS - Corporate Logo
T#:385052
Part#: 006084ECS01AKT1
In Stock
Sale - Save 25% $ 577.99

This product was last offered at the strikethrough price on
06-13-2026

$ 433.12 USD
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Sale - Save 25%
$ 577.99

This product was last offered at the strikethrough price on
06-13-2026

$ 433.12 USD
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Upgrade the cooling system of your BMW with the BMW E36 High Performance Aluminum Radiator with Silicone Radiator Hoses. This high-quality radiator kit is designed specifically for BMW E36 models, providing improved cooling efficiency and durability. Paired with silicone radiator hoses, this kit offers superior heat resistance and reliability, making it ideal for high-performance applications. Enhance the cooling performance and reliability of your BMW with this premium radiator kit.

  • Improved cooling efficiency for better engine performance
  • Durable aluminum construction for long-lasting use
  • Silicone radiator hoses offer superior heat resistance
  • Designed specifically for BMW E36 models
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CSF High-Performance Radiator - Manual Transmission - F22, F87 M2, F3...
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2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:598762
Part#: 7080
In Stock
$ 599.00 USD
Free Shipping
$ 599.00 USD
Free Shipping
CSF is one of the premier cooling product specialists available on the market thanks to designs such as their High-Performance Aluminum Radiators. Using a single pass designed core, this radiator gives you all the cooling you could ever need. Paired with these radiators are CNC machined brackets and corrosion-resistant hardware that allows the final installation to have same-as-stock fitment! This enables you to have much higher cooling without having to cut away any metal or delete any important components just for the sake of lower coolant temperatures. Features & Specifications: 2-Row 42mm Core (Dual Core) Featuring CSF’s Exclusive B-Tube Technology Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact CNC Machined “Quick-Connect” Inlet/Outlet Connections CNC Machined Brackets and Fittings for Superb Fit and Durability All-Aluminum Race Style Drain Plug 1-Hour “Mirror Finish” Hand Polish “Drop-in Fit” Requiring No Modifications to Install – Accepts All Attaching OEM Components Including “Quick-Connect” Hoses, AC Condenser, Mounting Brackets and Fan Shroud OEM #: 17117600520
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E9X 335, E82 135 6MT Mishimoto Performance Aluminum Radiator - Automa...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mishimoto - Corporate Logo
T#:24776643
Part#: MMRADE9007A
In Stock
$ 632.99 USD
$ 632.99 USD
As most 335 owners have discovered, the cooling system is vital to maintaining high levels of boost. The car's sophisticated electronics wisely shut down and limit boost when temperatures are elevated enough to do potential harm. Don't short-change your cooling system or performance on the street or the track! Where the stock radiator suffers is in capacity, which is why BMW also sells an additional radiator and other cooling upgrades with their Performance packages. This radiator for the E90/E92 335 and E82 135/1M is a larger 40mm core (2mm thicker than stock) for additional capacity and bulletproof cooling. It fits in the stock location, with the stock shroud and fan (some plastic trimming may be necessary), maximizing the available space to dedicate to fluid capacity and surface area. Having a greater capacity means less saturation time for the cooling fluid which leads to more consistent engine temperatures, reducing the possibility of limp mode condition and reducing wear and tear on other cooling components such as the water pump and thermostat. If you're looking for the most complete and unbeatable radiator solution for your E9X, this is the best we have seen. Not only is this radiator larger, but it's also designed with the stresses of motorsports in mind. The cooling vanes use a unique oven-brazed bonding technology that will not fatigue and crack like epoxyed construction. Aircraft-grade aluminum is used for the tanks and frame, which are TIG-welded for superior strength. This radiator is a direct replacement for the stock E9X radiator, with all of the same hose locations and fittings as the original radiator. Because of the extra depth required between the radiator and engine, extra care will be needed when installed with upgraded intercoolers, intake piping, and oil coolers. This aluminum radiator is a replacement for the stock BMW radiator 17 11 7 558 480 and fits the 135i and 335i/xi (automatic transmission only). This item fits the following BMWs: 2008-2012 E82 BMW 135i 1M Coupe - with auto transmission only 2006-2011 E90 BMW 335i 335xi 335i xDrive - Sedan - with auto transmission only 2007-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe - with auto transmission only 2007-2013 E93 BMW 335i - Convertible - with auto transmission only 2009+ Z4 BMW Z4 28i Z4 35i WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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D088 BMW Radiator - E9X E82 E89
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatics only
DO88 - Corporate Logo
T#:13793026
Part#: WC370
In Stock
$ 642.99 USD
Free Shipping on orders $49 and up
The team at DO88 has vigorously tested this radiator to deliver peak performance with the peace of mind of quality for your N54/N55 engine. They guarantee reliability and endurance in all situations to let your car breathe better than before! Boasting a 29% increase in core volume and a 3% larger frontal surface area, this upgrade is a no-brainer for petrol heads like us. Keeping core temperatures low eliminates the risk of heat soak leading to overheating giving you max performance at any given moment. no compromise has been made at DO88 leaving you with one of the best radiator options on the market!
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CSF High Performance Aluminum Radiator - BMW E28 M5, E24 M6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:36269432
Part#: 7232
In Stock
$ 679.00 USD
Free Shipping
$ 679.00 USD
Free Shipping

The BMW E28 M5 and E24 M6, two iconic early M cars, have solidified their status as sought-after classics from the 1980s. However, the cooling systems from that era fall short when compared to modern designs, often presenting issues with durability and efficiency. To tackle this problem, CSF and A/C Solutions collaborated to create a High-Performance All-Aluminum Radiator specifically for the E28 and E24, combining superior cooling performance with a precise factory fit.

The original OE radiator featured an aluminum core paired with plastic end tanks—a design notorious among BMW enthusiasts for eventual failures, such as leaks at the seams or cracking plastic tanks caused by years of heat cycling.

CSF's Classic Series Radiator offers significant upgrades over the original design, most notably its advanced all-aluminum construction. Built with TIG-welded, 100% aluminum materials, this radiator provides enhanced strength, durability, and longevity, ensuring it can withstand even the most demanding driving conditions. With a 1-row 31mm aluminum core, CSF's B-tube technology, and nearly twice the number of cooling fins and tubes compared to the OE radiator, the new design delivers exceptional cooling performance. Additionally, its multi-louvered fins are optimized to maximize airflow, ensuring superior thermal efficiency. The radiator installs seamlessly in the factory location, requiring no modifications or cutting.

Another thoughtful upgrade is the addition of a drain plug. Unlike the factory radiator, which lacks this feature, CSF's new design simplifies tasks like coolant flushes or engine removals, making maintenance more convenient for enthusiasts. This small but practical detail further enhances the overall user experience.

Features:

1-Row – 31mm Ultra-High-Performance Core

Cooling Tubes with CSF’s Exclusive B-Tube Technology

6.5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact

CNC Machined Mounting Brackets and OEM Style Inlet/Outlet

100% All Aluminum TIG-Welded Construction

Satin Black Finish for an OEM+ Look and Feel

True Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications

Two M14x1.5 Temperature Sensor Ports on left side tank (Plugs Included)

Individually Leak and Pressure Tested

2-Year Limited Warranty


Applications:

1984-1988 BMW E28 M5 (US and Euro)

1984-1989 BMW E24 M635CSi

1987-1989 BMW E24 M6


OEM Part Numbers:

BMW: 17112226082

BMW: 17112225061

BMW: 17112226018

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High-Performance Aluminum Radiator - E60 M5, E63/E64 M6 S85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!
CSF - Corporate Logo
T#:23980277
Part#: 7218
Ships in 2 Business Days
$ 695.00 USD
Free Shipping
$ 695.00 USD
Free Shipping
Featuring a ultra-high performance 2-row core, fully TIG welded aluminum construction, and CSF "B-Tube" technology, this radiator is the perfect choice for you S85 cooling system overhaul.