BMW Cooling System Parts & Accessories for BMW 3 Series F30 (2012+)

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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Cylinder Head Expansion Tank Hose - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:30729010
Part#: 17129845173
In Stock
Sale - Save 15% $ 31.99

This product was last offered at the strikethrough price on
09-16-2026

$ 27.19 USD
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Sale - Save 15%
$ 31.99

This product was last offered at the strikethrough price on
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$ 27.19 USD
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Hepu - Corporate Logo
T#:27805177
Part#: 11518632585
In Stock
$ 264.99

This product was last offered at the strikethrough price on
05-04-2026

$ 251.99 USD
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$ 251.99 USD
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Restore your BMW's cooling performance with this new HEPU mechanical water pump. BMW coolant pumps, both electric and mechanical, are known to fail for various reasons. If your mechanical pump has failed, this low-cost alternative is a great option to get your BMW back on the road!
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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 Into Our F80 M3 Sweepstakes
CSF - Corporate Logo
T#:40478113
Part#: 7089
In Stock
Sale - Save 10% $ 649.00

This product was last offered at the strikethrough price on
10-04-2026

$ 584.10 USD
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Sale - Save 10%
$ 649.00

This product was last offered at the strikethrough price on
10-04-2026

$ 584.10 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 - Corporate Logo
T#:401593
Part#: 7078
Back Ordered
Sale - Save 10% $ 675.00

This product was last offered at the strikethrough price on
10-04-2026

$ 607.50 USD
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Sale - Save 10%
$ 675.00

This product was last offered at the strikethrough price on
10-04-2026

$ 607.50 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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Genuine BMW - Corporate Logo
T#:600633
Part#: 11518671654
In Stock
8% off MSRP $ 141.99

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

$ 129.99 USD
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8% off MSRP
$ 141.99

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

$ 129.99 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:536486
Part#: 11518638026
In Stock
9% off MSRP $ 200.22

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

$ 183.03 USD
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9% off MSRP
$ 200.22

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

$ 183.03 USD
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The water pump in your vehicle keeps all that coolant flowing freely. If it begins to fail, overheating problems are inevitable. Don't take a chance on doing damage to engine internals by not replacing your water pump. This has been a common problem amongst most German vehicles. Water Pump failure can lead to your vehicle making an unnecessary trip to the repair shop. If your pump stops working, coolant temperatures rise rapidly and can overheat the engine, leading to head gasket or even piston ring failure. This is a great preventative maintenance item when doing any type of timing belt replacement. This is a common replacement around 80,000-100,000 miles.
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Rein Coolant Hose - BMW F22/23 F3X
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:594310
Part#: 11537639997
In Stock
$ 57.99 USD
Free Shipping on orders $49 and up
Water pipes and coolant hoses are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine.
Saleri - Corporate Logo
T#:47439411
Part#: 11517644809
In Stock
$ 201.99

This product was last offered at the strikethrough price on
05-07-2026

$ 195.99 USD
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$ 195.99 USD
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Genuine BMW - Corporate Logo
T#:367096
Part#: 11538635689
Ships in 1 day
8% off MSRP $ 177.99

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

$ 162.99 USD
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8% off MSRP
$ 177.99

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

$ 162.99 USD
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N20 thermostats are prone to failure - replace yours today with a Genuine BMW replacement.

Turner Motorsport is proud to be your source for Genuine BMW parts.

 


Mishimoto - Corporate Logo
T#:637388
Part#: MMFAN-12C
Ships in 3 Business Days
$ 96.99 USD
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$ 96.99 USD
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BMW Mishimoto 12" Universal Curved Blade Electrical Fan

The BMW Mishimoto 12" Universal Curved Blade Electrical Fan is an ideal upgrade for enhancing cooling efficiency or addressing fitment issues with aftermarket components. Turner Motorsport offers this fan with a slim profile that allows for easy installation flush against the radiator, ensuring optimal performance and space utilization.

Benefits:

  • High-Flow Performance: Delivers 1150 CFM of airflow for superior cooling efficiency.
  • Universal Fitment: Designed to fit a wide range of vehicles and applications.
  • Compact Design: With a diameter of 12" and an overall thickness of just 2.5", it increases engine bay space and allows for flexible installation.
  • Versatile Operation: Easily reversible for use as either a pusher or puller fan.
  • Mishimoto Lifetime Warranty: Backed by Mishimoto's lifetime warranty for peace of mind.
  • Prop 65 Warning: Note that Proposition 65 may apply to this product. For more information, visit www.P65Warnings.ca.gov.
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Mishimoto - Corporate Logo
T#:637389
Part#: MMFAN-14C
Ships in 3 Business Days
$ 104.99 USD
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$ 104.99 USD
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This curved blade fan can be used as an upgrade to the OEM fan for more efficient cooling or fitment issues with aftermarket products. With its slim design, the fan can easily be installed flush against a radiator. For universal installation, use Mishimoto universal fan mount kit, T#363171. Features: High-flow curved blade fan provides 1300 CFM of airflow Universal fitment Compact design with a diameter of 14" and an overall thickness of only 2.65" provides increased engine bay space Mishimoto Lifetime Warranty 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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Mishimoto - Corporate Logo
T#:381042
Part#: MMOC-19
Ships in 3 Business Days
$ 218.99

This product was last offered at the strikethrough price on
10-01-2026

$ 196.99 USD
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$ 196.99 USD
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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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Rein Water Hose Problem Solver Kit - F chassis N55
For Manual Transmission Only
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750119
Part#: 11537598237
In Stock at Vendor
New Item
$ 26.99 USD
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$ 26.99 USD
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Rein's Rubber Elbow Problem Solver Kit for the Coolant Feed Hose Replaces the Rubber End of the Hard Feed Line Without Having to Move the Exhaust or Replace the Entire Hard Line
VTT Billet Coolant Reservoir Cap - Anodized Clear - Most BMWs 2006+ (...
This coolant cap retains ALL of the factory provisions by simply allowing you to snap t...
2X Entries Into Our F80 M3 Sweepstakes
Vargas Turbo Technologies - Corporate Logo
T#:7530035
Part#: COOLANTCAPRAW
Ships in 3 Business Days
$ 78.99 USD
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$ 78.99 USD
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VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
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Rein Water Hose With Metal Flange - F-Chassis - N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53750147
Part#: CHU0632
In Stock
New Item
$ 52.99 USD
Free Shipping on orders $49 and up
Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges

Spal - Corporate Logo
T#:583649
Part#: 30102048
In Stock at Vendor
$ 207.99 USD
Free Shipping
$ 207.99 USD
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Universal fan that allows increased cooling capacity and shroudless design. 1959 CFM.

Spal - Corporate Logo
T#:598861
Part#: 30100385
In Stock at Vendor
15% off MSRP $ 130.99

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

$ 111.99 USD
Free Shipping on orders $49 and up
15% off MSRP
$ 130.99

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

$ 111.99 USD
Free Shipping on orders $49 and up
1038 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 15.2in x 14.5in x 2.2in Airflow (CFM): 1038
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Rein Water Hose With Gasket - Water Pump To Engine Inlet
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:17804808
Part#: 11537584630R
Ships in 1 Business Day
$ 40.99 USD
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Rein OE quality water hoses are designed to be direct replacements for OE hoses and assemblies. This includes the hose and clamps.

Spal - Corporate Logo
T#:25507142
Part#: SPL185TS
Back Ordered
$ 44.99 USD
Free Shipping on orders $49 and up
This part replaces faulty thermo-switches found in Spal electric fan conversion kits.
Genuine BMW - Corporate Logo
T#:222013
Part#: 17118625433
Ships in 1 day
4% off MSRP $ 48.99

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

$ 46.99 USD
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4% off MSRP
$ 48.99

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

$ 46.99 USD
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Genuine BMW Covering Lower - 17118625433

Genuine BMW - Corporate Logo
T#:549016
Part#: 17128740117
Ships in 1 day
7% off MSRP $ 120.99

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

$ 112.99 USD
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7% off MSRP
$ 120.99

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

$ 112.99 USD
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Genuine BMW - Corporate Logo
T#:222910
Part#: 17128634283
Ships in 1 day
6% off MSRP $ 204.00

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

$ 191.99 USD
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6% off MSRP
$ 204.00

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

$ 191.99 USD
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Genuine Bmw Hose, Radiator-Engine - 17128634283
Genuine BMW - Corporate Logo
T#:527196
Part#: 17138677649
Ships in 1 day
6% off MSRP $ 189.99

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

$ 178.99 USD
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6% off MSRP
$ 189.99

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

$ 178.99 USD
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The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes regularly, the plastic will become brittle and will often crack or break. You want to keep all the coolant in your vehicle in the cooling system to prevent overheating issues. If your tank has experienced damage such as cracking, nipples breaking off, or mounting point damage, you will need to replace it.
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Genuine BMW - Corporate Logo
T#:116026
Part#: 51647266167
Ships in 1 day
6% off MSRP $ 53.99

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

$ 50.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 53.99

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

$ 50.99 USD
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Genuine BMW Bracket, Aux. Radiator, Upper Left -
This item fits the following BMW Chassis:
F22,F30,F31,F32,F36



Genuine BMW Radiator - F30 F32 F23 F33 F22
For vehicles with M Sports package (P337A) & M Sport brakes (S2NHA). ¦ Right For vehicles with M Sports package (P337A) & M Sport brakes (S2NHA). ¦ Left
Genuine BMW - Corporate Logo
T#:174445
Part#: 17117628057
In Stock
11% off MSRP $ 321.99

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

$ 287.99 USD
Limited Qty Sale
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11% off MSRP
$ 321.99

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

$ 287.99 USD
Limited Qty Sale
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Genuine BMW Additional Radiator -
This item fits the following BMW Chassis:
F30,F32,F34,F36

Fits BMW Engines including:
N20,N26,N55

Genuine BMW Auxiliary Water Pump
For vehicles with M sport package
Genuine BMW - Corporate Logo
T#:174302
Part#: 11517583965
Ships in 1 day
8% off MSRP $ 379.99

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

$ 347.99 USD
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8% off MSRP
$ 379.99

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

$ 347.99 USD
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This is the Genuine BMW electric water pump for F30 F32 F22 models with the N55 6 cylinder turbo engine. The electric water pumps on older N54 and N55 engines tended to be failure prone.

The N55 water pump is electrically driven and varies output based on instructions from the engine computer. Under the best circumstances the pump drives only as much coolant as needed and will shut down or activate as load and performance demands change (combustion chamber temperatures are dynamically changed based on economy, normal, and performance demands). The pump can also run when the car is off to reduce heat soak in the engine and turbo(s). The water pump is now a factor in how much power and fuel economy your car is producing, making it all the more critical to replace during normal maintenance. If a fault or excessive temperature is reached, the dash cluster will display a yellow or red water temp icon depending on the severity of the condition. The car's electronics will begin shutting down various systems in the car to divert more resources to the cooling system. This can include reducing power output and activating 'limp mode'.

The best way to avoid problems and system failures? Preventative maintenance and overhaul of the cooling system, starting with the water pump (and thermostat).

NOTE: ONLY for cars with M Sports Package - option code P337A

This item fits the following BMWs:
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
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Genuine BMW - Corporate Logo
T#:528940
Part#: 11518632587
Ships in 1 day
13% off MSRP $ 38.99

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

$ 33.99 USD
Free Shipping on orders $49 and up
13% off MSRP
$ 38.99

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

$ 33.99 USD
Free Shipping on orders $49 and up
This gasket needs to be replaced when splitting apart your pulley housing from the water pump. Gasket that goes between the coolant pump and the coolant pump front pulley assembly.

Genuine BMW Coolant Pipe - BMW F22/23 F3X
For vehicles with manual transmissions only.
Genuine BMW - Corporate Logo
T#:36121
Part#: 11537639998
Ships in 1 day
5% off MSRP $ 215.99

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

$ 205.99 USD
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5% off MSRP
$ 215.99

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

$ 205.99 USD
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Water pipes and coolant hoses are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine. Wear is easy to see on these rubber hoses. Bulges, cracking, splitting at connections, and the loss of flexibility are usually big indicators that they are reaching the ends of their lives. Replace them whenever this wear is identified.
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Genuine BMW - Corporate Logo
T#:533574
Part#: 17128633484
In Stock
6% off MSRP $ 204.00

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

$ 191.99 USD
Free Shipping
6% off MSRP
$ 204.00

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

$ 191.99 USD
Free Shipping
Precision Raceworks - Corporate Logo
T#:38128032
Part#: 201-0394-SIL
Ships in 7 Business Days
$ 94.99 USD
Free Shipping on orders $49 and up

BMW Silver Auxiliary Coolant Reservoir Cap is the perfect upgrade for BMW owners looking to enhance both the aesthetics and functionality of their engine bay. Unlike generic aftermarket caps that overlook critical pressure regulation, this precision-engineered cap retains the OEM pressure release functionality, ensuring safe and reliable coolant system performance.

Crafted from high-quality billet aluminum, this reservoir cap offers superior durability and resistance to heat and fluids, preventing warping or degradation over time. Unlike adhesive-based cap covers that can loosen or fall off, this cap is a direct replacement for the factory component, providing a secure, high-performance solution.

  • OEM pressure release functionality – Maintains proper system regulation for optimal coolant performance
  • Premium billet aluminum construction – Offers enhanced durability and longevity
  • Direct replacement design – Secure fit without adhesives or modifications
  • Resistant to heat and fluids – Ensures long-lasting reliability in extreme conditions
  • Performance-inspired look – Adds a sleek, high-end appearance to your engine bay
  • Upgraded durability – Prevents cracking, leaks, and premature wear

Upgrade your BMW’s cooling system with the BMW Silver Auxiliary Coolant Reservoir Cap, blending performance, reliability, and premium styling.

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B58 Coolant Hose - Auxiliary Water Pump to Turbocharger
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:36981057
Part#: 11538611277
In Stock
Sale - Save 25% $ 61.99

This product was last offered at the strikethrough price on
09-16-2026

$ 46.49 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 61.99

This product was last offered at the strikethrough price on
09-16-2026

$ 46.49 USD
Free Shipping on orders $49 and up

This Bremmen Parts Coolant Hose is designed to connect the turbocharger to the auxiliary water pump, providing a premium replacement for B58-equipped BMW models. Constructed with high-quality, heat-resistant materials, this hose ensures reliable and efficient engine cooling, even under extreme temperatures. Engineered to meet OEM specifications, it offers a precise fit and a secure connection, optimizing coolant flow to maintain the performance and longevity of your BMW’s turbocharged engine.

Key Benefits:

Premium Materials: Crafted from heat-resistant materials to endure high-temperature conditions. OEM-Compatible Fit: Matches BMW’s original specifications for an easy, hassle-free installation. Enhanced Cooling: Designed to support efficient coolant flow in turbocharged engines. Durable Construction: Built to last, minimizing the need for frequent replacements and ensuring long-term reliability.

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BMW Coolant / Antifreeze - 1.5L
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:16175674
Part#: 82141467704
Ships on Jan 13, 2027
$ 70.99 USD
Free Shipping on orders $49 and up
Coolant G11 (Concentrate). The right anti-freeze agent makes a key contribution towards the reliable functioning of the engine cooling system under all operating and weather conditions. Cooler anti-freeze agents from Febi are precisely matched to the special requirements of the vehicle manufacturer and offer reliable protection from damages caused by freezing, corrosion, and cavitation. A good functioning cooling system is a primary prerequisite for the optimum operation of the engine. The ideal mixing ratio is 1:1, which offers frost protection to -36° C. With a ratio of 1:1 of water and concentrate, the boiling point of the cooling is approximately 107° C.+ High protection against freezing, corrosion, and cavitation Prevention of deposits and foam formation
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Rein - Corporate Logo
T#:34181285
Part#: 17129845173
Ships in 2 Business Days
$ 29.99 USD
Free Shipping on orders $49 and up

Rein Cylinder Head Expansion Tank Hose CHE0925 is a top-quality component designed specifically for BMW vehicles, ensuring optimal coolant flow between the cylinder head and expansion tank. This hose is engineered to withstand high engine temperatures and pressures, preventing coolant leaks and safeguarding the engine from overheating. The Rein Cylinder Head Expansion Tank Hose CHE0925 is perfect for BMW enthusiasts who prioritize vehicle reliability and performance.

Manufactured from premium materials, this hose guarantees durability and longevity under demanding conditions. Its precise design ensures a perfect fit, making installation easy for both professional mechanics and DIY car enthusiasts. Available from Turner Motorsport, this product is an excellent choice for anyone looking to maintain peak engine performance.

Key Benefits:

  • Designed specifically for BMW vehicles to ensure a perfect fit and compatibility
  • Regulates coolant flow, preventing engine overheating and damage
  • Made from high-quality, durable materials that withstand extreme engine conditions
  • Easy installation for quick maintenance and hassle-free replacement
  • Ideal for both professional mechanics and DIY car enthusiasts
  • Available from Turner Motorsport, a trusted supplier of BMW parts

The Rein Cylinder Head Expansion Tank Hose CHE0925 is a must-have part for maintaining the cooling efficiency and overall health of your BMW engine.

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URO Coolant Hose - 11537603514
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:28171566
Part#: 11537603514PRM
In Stock
$ 20.99 USD
Free Shipping on orders $49 and up

Upgrade your thermostat to engine cooling hose with this premium unit from URO Parts, featuring an aluminum "Mickey Mouse" flange for enhanced durability compared to the factory plastic unit.

Key Features:

Metal connector for improved durability over OEM plastic connectors Molded to OE coolant hose shape for perfect fitment Engine heat and ozone-resistant Durable ECD-resistant EPDM material prevents rubber breakdown from electrolysis Temperature rating from -40º F to 275º F (-40º C to 135º C)

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Bav Auto Angled Hose Pinch Plier Set - 2pc
10X Entries Into Our F80 M3 Sweepstakes
Bav Auto Tools - Corporate Logo
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
Free Shipping on orders $49 and up
Sale - Save 25%
$ 32.99

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

$ 24.74 USD
Free Shipping on orders $49 and up
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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Genuine BMW - Corporate Logo
T#:570792
Part#: 17119487033
In Stock
5% off MSRP $ 76.99

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

$ 72.99 USD
Free Shipping
5% off MSRP
$ 76.99

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

$ 72.99 USD
Free Shipping


BMW Coolant Expansion Tank - 17137642160
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:45791749
Part#: 17137642160
In Stock
$ 85.00

This product was last offered at the strikethrough price on
04-28-2026

$ 79.99 USD
Free Shipping on orders $49 and up
$ 79.99 USD
Free Shipping on orders $49 and up
Expansion tanks take constant abuse from high heat and harsh coolant, making them prone to cracking or failure over time. A damaged tank can quickly lead to overheating and serious engine damage, so replacement is critical at the first sign of trouble. Features: Direct fitment for hassle-free installation Precision-molded to OE specs for perfect sensor and hose connections Durable construction stands up to extreme heat and coolant chemicals Factory pressure-tested for reliable performance
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Radiator - N20 2.0L & N55 3.0L Engine
For vehicles with an automatic or sport automatic transmission only
Nissens - Corporate Logo
T#:381279
Part#: 17117618807
In Stock
$ 217.99

This product was last offered at the strikethrough price on
04-21-2026

$ 191.99 USD
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$ 191.99 USD
Free Shipping

Ensure optimal engine cooling performance for your BMW N20 2.0L & N55 3.0L Engines with Turner Motorsport's Nissens Radiator. Designed to withstand the demands of high-performance engines, this replacement radiator from Nissens ensures efficient heat dissipation, keeping your engine at an optimal operating temperature. With a direct fit for easy installation, this radiator is the perfect solution to keep your BMW running smoothly.

  • Direct replacement for BMW N20 2.0L & N55 3.0L Engines
  • Ensures efficient heat dissipation for optimal engine cooling
  • High-quality construction for durability and reliability
  • Easy installation with direct fit design
  • Maintains engine performance and longevity
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Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:593072
Part#: 17127596841
In Stock
$ 30.99 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:19792195
Part#: 11538853292
Ships in 1 day
6% off MSRP $ 146.99

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

$ 137.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 146.99

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

$ 137.99 USD
Free Shipping on orders $49 and up
Replace your leaking coolant pipe to prevent further leaks and potentially catastrophic failure. Fits the following BMWs: F22/23 F3X F10 F25/26 F15/16 Fits the following engines: N20/26

Mishimoto - Corporate Logo
T#:51075060
Part#: MMWP-N20-12
In Stock
$ 382.99 USD
Free Shipping on orders $49 and up
The Mishimoto BMW N20 Electric Water Pump provides a robust solution for maintaining the thermal efficiency of your BMW's cooling system.
BMW Water Pump - 11518635090
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:47199279
Part#: 11518635090
In Stock
$ 370.99 USD
Free Shipping on orders $49 and up
Is your water pump showing signs of wear and tear? Don't wait until it's too late! Replace it promptly to avoid issues like coolant leaks or the dreaded whining noise from under the hood. The electric water pump, while efficient, may not always give you clear signals – except for one: overheating! Keep an eye out for these warning signs and ensure your vehicle's optimal performance. Benefits: Prevents coolant leaks Eliminates whining noise Efficient electric water pump Timely replacement prevents overheating
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Genuine BMW - Corporate Logo
T#:532630
Part#: 17218625445
Ships in 1 day
4% off MSRP $ 48.99

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

$ 46.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 48.99

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

$ 46.99 USD
Free Shipping on orders $49 and up
Hold the remote radiator in place
Genuine BMW - Corporate Logo
T#:35863148
Part#: 11518638026KT
In Stock
$ 763.99

This product was last offered at the strikethrough price on
10-05-2026

$ 763.00 USD
Free Shipping on orders $49 and up
$ 763.00 USD
Free Shipping on orders $49 and up
The cooling system has always been a weak point for BMW. Two of the biggest issues are the water pump and thermostat. This continues to be true even on the newest B-Series engines found in 2016+ BMWs. This kit includes a brand new Genuine BMW water pump, a new thermostat (now referred to as a Heat Management Module), and 1 gallon of BMW's G48 coolant concentrate (makes 2 gallons of 50/50 coolant). Don't spend thousands of dollars at the dealership, these can easily be replaced in an afternoon with basic mechanic's tools.
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Genuine BMW - Corporate Logo
T#:536492
Part#: 11538666856
In Stock
$ 108.99 USD
Limited Qty Sale
Free Shipping
$ 108.99 USD
Limited Qty Sale
Free Shipping

Coolant Hose - Upper
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:30729014
Part#: 17127604542
In Stock
Sale - Save 12% $ 41.99

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

$ 36.89 USD
Free Shipping on orders $49 and up
Sale - Save 12%
$ 41.99

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

$ 36.89 USD
Free Shipping on orders $49 and up
Coolant Connection Flange - N47
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:4840519
Part#: 11127810707
In Stock
$ 47.99

This product was last offered at the strikethrough price on
06-17-2026

$ 40.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 47.99

This product was last offered at the strikethrough price on
06-17-2026

$ 40.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Keep Your Coolant System Operating Properly And Leak Free. Quality Rein coolant flange attaches to the engine block below the intake manifold and flows coolant out of the engine.
Uro - Aluminum Coolant Hose Connector for E9x, and Z4
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:37757289
Part#: 11537545890PRMK
In Stock
$ 24.99 USD
Free Shipping on orders $49 and up
Aluminum Connector that replaces the OEM brittle Plastic


CSF - Corporate Logo
T#:598762
Part#: 7080
In Stock
Sale - Save 10% $ 599.00

This product was last offered at the strikethrough price on
10-04-2026

$ 539.10 USD
Free Shipping
Sale - Save 10%
$ 599.00

This product was last offered at the strikethrough price on
10-04-2026

$ 539.10 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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Geba - Corporate Logo
T#:36303282
Part#: 11517597715
Ships in 4 Business Days
$ 343.99 USD
Free Shipping on orders $49 and up

BMW F30 Water Pump plays a crucial role in the vehicle's cooling system, directly impacting performance and fuel efficiency. Designed to manage engine cooling, this water pump also supports turbo and transmission cooling, making it an essential component of the engine. BMW has engineered this smart electric water pump with increased output to meet the high cooling demands of the N20/N26 engines, which face additional stress due to the factory intercooler, tight engine bay, and heat from the turbochargers.

  • Enhanced Cooling Performance: Ensures effective cooling of the engine, turbo, and transmission.
  • Smart Electric Design: Features a dynamic electric pump with increased output compared to normally aspirated models.
  • Engine Efficiency: Balances engine power output and cooling responsibilities for optimal performance.
  • Fits Multiple Models: Compatible with 2012+ BMW F30 320i

This water pump is a critical upgrade for maintaining engine health and performance.

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