BMW Cooling System Parts & Accessories for BMW 4 Series F36 (2015+)

Thermostat Assembly

T#:15511823

Part#: 11537598865

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$ 70.19 USD

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Replace your thermostat housing at any signs of leaks or premature failure. Includes housing. Does not include a housing gasket.

Bav Auto Spill-Proof Coolant / Antifreeze Funnel

T#:580395

Part#: B8800082

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$ 28.04 USD

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Multiple adapters include to fit a variety of vehicles.

BMW N55 3.0L Water Pump

T#:26404797

Part#: 11518635090

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$ 333.99 USD

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BMW N55 3.0L Water Pump is an essential component for maintaining the performance and reliability of your BMW. Manufactured by Turner Motorsport, this high-quality water pump is designed to ensure optimal cooling efficiency for the N55 3.0L engine.

Reliable Performance: Designed to handle the high demands of the BMW N55 engine, ensuring consistent cooling performance.
High-Quality Construction: Made with durable materials to resist wear and provide long-lasting service.
Prevents Overheating: Helps prevent engine overheating by effectively circulating coolant throughout the engine.
Reduces Coolant Leaks: Engineered to minimize the risk of leaks, maintaining proper coolant levels and engine temperature.
Quiet Operation: Operates smoothly and quietly, avoiding the whining noises often associated with failing pumps.

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BMW N47 N55 Expansion Tank

T#:17704781

Part#: 17137642160

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$ 79.19 USD

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BMW N47 N55 Expansion Tank from Turner Motorsport is a high-quality replacement designed to address issues with cracked or damaged coolant expansion tanks. Engineered for durability and performance, this expansion tank ensures reliable cooling system function.

Durable Construction: Built to withstand high temperatures and pressure, ensuring long-term reliability.
Direct Replacement: Engineered as a precise fit for BMW N47 and N55 engines, making installation straightforward and hassle-free.
Enhanced Cooling Efficiency: Maintains optimal coolant levels and pressure for effective engine cooling.
High-Quality Materials: Manufactured from premium materials to resist cracking and leaks.

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BMW N20 2.0L Thermostat With Housing

T#:18003828

Part#: 11538635689

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$ 54.39 USD

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BMW N20 2.0L Thermostat With Housing ensures optimal engine performance by maintaining the correct operating temperature. This crucial component regulates coolant flow, preventing issues related to overheating or inadequate cooling. The thermostat plays a vital role in your BMW’s temperature gauge, influencing engine efficiency and longevity.

Precision Temperature Control: Maintains the engine within the ideal temperature range for optimal performance and efficiency.
Complete Assembly: Includes the thermostat and housing, offering a convenient and comprehensive solution for replacements.
Reliable Operation: Helps prevent common issues such as overheating or running too cool by regulating coolant flow effectively.
Enhanced Engine Life: Ensures the engine operates under ideal conditions, extending its lifespan and improving overall performance.
High-Quality Construction: Designed to meet or exceed OEM specifications, providing durability and reliable performance.

Upgrade your BMW with the N20 2.0L Thermostat With Housing to ensure reliable temperature management and enhanced engine performance.

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Bav Auto Fan Clutch Wrench - 32mm

T#:580348

Part#: B8800019

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$ 23.99 USD

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Used to remove your fan clutch

CSF OE Style Radiator - F22/23 F3X

For vehicles with automatic transmission (S205A or S2TBA) and M Sport Package (P337A) only

2X Entries For Our G87 M2 Sweepstakes!

T#:638779

Part#: 3725

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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

T#:45210289

Part#: 8355

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$ 389.00 USD

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$ 389.00 USD

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Radiator / Cooling System Pressure Tester- Bavarian Autosport ...

T#:580397

Part#: B8800084

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$ 124.94 USD

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CSF High Performance Intercooler Radiator - Polished - F22/23 F3X B46...

2X Entries For Our G87 M2 Sweepstakes!

T#:585012

Part#: 8131

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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

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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

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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 High Performance Intercooler Radiator - Black - F22/23 F3X B46/48...

2X Entries For Our G87 M2 Sweepstakes!

T#:585020

Part#: 8131B

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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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Water Pump - N20 N26

T#:29666093

Part#: 11518635089

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$ 275.19 USD

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A failing water pump can show early warning signs like coolant leaks or a whining noise from the engine bay—but with electric water pumps, failure can be sudden, often with no warning beyond rapid overheating.

If you suspect your water pump is on its way out, prompt replacement is critical to avoid engine damage. Stay alert to any changes in cooling system performance.

Note: Aluminum mounting bolts are single-use and must be replaced during installation.

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BMW N20 2.0L Turbo Supply Cooling Line

T#:17704760

Part#: 11538663516

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$ 37.59 USD

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BMW N20 2.0L Turbo Supply Cooling Line is a crucial component designed to ensure optimal cooling for the turbocharger in BMW vehicles equipped with the N20 2.0L turbo engine. This high-quality cooling line maintains proper coolant flow to the turbo, preventing overheating and ensuring reliable performance.

Optimal Cooling: Effectively cools the turbocharger to prevent overheating and maintain performance.
Durable Construction: Built with high-quality materials for long-lasting reliability.
Precise Fitment: Designed specifically for BMW N20 2.0L turbo engines.
Enhanced Performance: Helps in sustaining the turbo's efficiency and longevity.
Easy Installation: Direct replacement part for a hassle-free installation.

Maintain the efficiency and longevity of your BMW’s turbocharger with this essential cooling line, designed for superior performance and durability.

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CSF High-Performance All-Aluminum Radiator - BMW F22/23 F3X Gen 1 B58...

For vehicles with the M Sport Package (P337A and/or P7B3A)

2X Entries For Our G87 M2 Sweepstakes!

T#:40478113

Part#: 7089

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$ 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 High Performance Aluminum Radiator - F87 F22 F30 F32 F36 ...

2X Entries For Our G87 M2 Sweepstakes!

T#:401593

Part#: 7078

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$ 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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BMW N20 Turbo Cooling Return Line

T#:17704762

Part#: 11538663517

Ships on Aug 11, 2026

$ 68.99 USD

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BMW N20 Turbo Cooling Return Line

The BMW N20 Turbo Cooling Return Line is an essential component designed to optimize the performance and longevity of your turbocharger. Turner Motorsport offers this high-quality coolant return line, ensuring efficient cooling and preventing overheating of the turbo system. Engineered for a precise fit, this cooling return line integrates seamlessly with your BMW N20 engine, providing reliable and long-lasting performance.

Benefits:

Enhances cooling efficiency to prevent turbocharger overheating
Constructed from durable materials for extended reliability
Precisely engineered for a perfect fit on BMW N20 engines
Easy to install with minimal modifications required
Helps maintain consistent turbocharger performance by managing coolant flow effectively

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CSF OE Style Radiator - BMW F22 F30/34 F32/33/36 N26 2.0L

For vehicles with the N26 SULEV engine only! Not compatible with the standard N20 equip...

T#:33846564

Part#: 3723

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$ 128.99 USD

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$ 128.99 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 Radiators are carefully engineered & Wind Tunnel Tested in a laboratory for Cooling Performance Validation. CSF has over 10,000 different models of Radiators that they manufacture & supply for all the leading brands of vehicles on the road

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CSF High-Performance Radiator - Manual Transmission - F22, F87 M2, F3...

2X Entries For Our G87 M2 Sweepstakes!

T#:598762

Part#: 7080

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$ 599.00 USD

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$ 599.00 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 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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Dinan High-Performance Heat Exchanger - F22/23 F3X B46/48 B58 ...

Call In Or Chat For Best Price!

T#:21045539

Part#: D780-0002

Ships in 5 Business Days

11% off MSRP $ 658.99

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

$ 584.99 USD

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11% off MSRP

$ 658.99

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

$ 584.99 USD

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The factory B4x/B58 heat exchanger is not built to cater to the rigorous demands often associated with a modified build. The thin core is easily overwhelmed with IAT's rising dramatically once pushed beyond a few successive WOT pulls or even a few minutes at the track. This elevation in temperature gives way to the factory ECU fail safes pulling timing and reducing overall power in order to keep the system from overheating to the point of permanent damage. On an application where enjoyment is directly attributed to pushing the platform to its limits this constraint to cooling presents a challenge for the automotive enthusiast. The Dinan B4x/B58 heat exchanger for the F2x/F3x chassis assists in mitigating these issues with a more robust core (48mm thick Dinan core vs. 27mm thick OEM core) that wields 78% more heat transfer surface area for improved cooling capacity. The significant increase in core thickness requires unique "L" shaped end tanks to be incorporated as well, which also contributes to the overall thermal mass (ability to absorb, store, and release heat) improvement beyond the OEM setup. With up to a 15° IAT delta recorded over stock the Dinan heat exchanger is ready, and able, to assist in extending your vehicles ability to deliver maximum performance time and time again for your driving enjoyment! Features: Average of 8° reduction in IAT's with a maximum reduction of 15° over 15 successive WOT pulls Reduces the tendency to heat soak / go in to limp mode 48mm thick Dinan cooler vs. 27mm thick stock cooler 78% more cooling surface area and volume than stock 100% TIG welded and pressure tested Installation hardware included (inclusive of xDrive specific transmission oil cooler brackets) NOTE: Due to the enlarged core and unique "L" shaped endtanks minor modification to the plastic core stack shroud may be required with some factory configurations ( particularly those with the optional OEM hot climate heat exchanger). Consult the installation PDF for full documentation on what exactly that entails. (https://documents.dinancars.com/d780-0002.pdf)

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Bav Auto Angled Hose Pinch Plier Set - 2pc

T#:580379

Part#: B8800058

In Stock

Sale - Save 25% $ 32.99

This product was last offered at the strikethrough price on
05-03-2026

$ 24.74 USD

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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.

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CSF OE Style Radiator - F22/23 F3X (Manual Trans)

For vehicles with manual transmission only

2X Entries For Our G87 M2 Sweepstakes!

T#:638780

Part#: 3724

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 - Automatic Transmission - F22/23, F30/...

2X Entries For Our G87 M2 Sweepstakes!

T#:598763

Part#: 7081

Special Order: No Guaranteed ETA

$ 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 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 #: 17117618807

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CSF Universal Large Single-Pass Oil Cooler - Universal Application ...

Universal fitment design - modifications may be necessary to run this cooler

T#:53608839

Part#: 8371

Ships in 3 Business Days

$ 499.00 USD

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$ 499.00 USD

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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.

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BMW Cooling System Parts & Accessories for BMW 4 Series F36 (2015+)

Sub-Categories

Thermostat Assembly

Bav Auto Spill-Proof Coolant / Antifreeze Funnel

BMW N55 3.0L Water Pump

BMW N47 N55 Expansion Tank

BMW N20 2.0L Thermostat With Housing

Bav Auto Fan Clutch Wrench - 32mm

CSF OE Style Radiator - F22/23 F3X

CSF High-Performance Radiator - Gen1 B58/ F87 M2

Radiator / Cooling System Pressure Tester- Bavarian Autosport ...

CSF High Performance Intercooler Radiator - Polished - F22/23 F3X B46...

CSF High Performance Intercooler Radiator - Black - F22/23 F3X B46/48...

Water Pump - N20 N26

BMW N20 2.0L Turbo Supply Cooling Line

CSF High-Performance All-Aluminum Radiator - BMW F22/23 F3X Gen 1 B58...

CSF High Performance Aluminum Radiator - F87 F22 F30 F32 F36 ...

BMW N20 Turbo Cooling Return Line

BMW N20 Turbo Cooling Return Line

Benefits:

CSF OE Style Radiator - BMW F22 F30/34 F32/33/36 N26 2.0L

CSF High-Performance Radiator - Manual Transmission - F22, F87 M2, F3...

Dinan High-Performance Heat Exchanger - F22/23 F3X B46/48 B58 ...

Bav Auto Angled Hose Pinch Plier Set - 2pc

CSF OE Style Radiator - F22/23 F3X (Manual Trans)

CSF High-Performance Radiator - Automatic Transmission - F22/23, F30/...

CSF Universal Large Single-Pass Oil Cooler - Universal Application ...

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