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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Burgaflex - Corporate Logo
T#:57725189
Part#: 11538663517
Ships on Oct 20, 2026
New Item
$ 53.99 USD
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Keep your turbo charger running cool and performing reliably under demand with this high-quality Burgaflex Turbocharger Coolant Return Line.
Bosch - Corporate Logo
T#:57231537
Part#: 039202411E
Special Order: No Guaranteed ETA
New Item
$ 239.99 USD
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Maintain precise thermal management and protect critical engine components with this high-efficiency auxiliary water pump from Bosch.
OEM Elring Water Pump Gasket - BMW Gen1 B46/B48 2.0L
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:45483624
Part#: B07.530
Ships on Oct 14, 2026
$ 7.99 USD
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$ 7.99 USD
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If your water pump has to be removed or is already leaking coolant, it is important to replace the gaskets to prevent coolant loss and overheating.

Elring - Corporate Logo
T#:45483627
Part#: 773.780
Special Order: No Guaranteed ETA
$ 12.99 USD
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$ 12.99 USD
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This gasket seals the connection between the mechanical water pump support bracket and the engine block. Replaces BMW # 11518632586

2 Pin Connector
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:33412932
Part#: 61132359999
In Stock
Sale - Save 25% $ 10.99

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

$ 8.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 10.99

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

$ 8.24 USD
Free Shipping on orders $49 and up

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 61132359999 - Commonly used for the coolant level sensor.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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Coolant Hose - Lower
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:48125816
Part#: 17127596838
In Stock
Sale - Save 15% $ 30.99

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

$ 26.34 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 30.99

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

$ 26.34 USD
Free Shipping on orders $49 and up

Connects the radiator to the thermostat.

Maintain optimal cooling performance with this high-quality Lower Radiator Hose (17127596838), built to match OEM dimensions for a seamless fit on your BMW. Designed to handle high heat and constant pressure, it ensures consistent coolant flow from the radiator to the thermostat housing. Perfect for preventative maintenance or replacing a failing hose, this direct-fit component helps safeguard your engine from overheating and keeps your cooling system operating at peak efficiency.

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Febi - Corporate Logo
T#:56544003
Part#: 17138677649
Special Order: No Guaranteed ETA
New Item
$ 82.99 USD
Free Shipping on orders $49 and up
Prevent catastrophic track-day or daily-driving overheating with this OEM-spec replacement Coolant Expansion Tank by Febi Bilstein.
Febi - Corporate Logo
T#:56507814
Part#: 17137642160
Special Order: No Guaranteed ETA
New Item
$ 62.99 USD
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This Febi Bilstein coolant expansion tank offers OEM quality, engineered to withstand aggressive driving, high thermal loads, and pressurized environments.

Febi - Corporate Logo
T#:56001956
Part#: 11538635689
Special Order: No Guaranteed ETA
New Item
$ 126.99 USD
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This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track.

Bav Auto Temperature Sensor - BMW E39 E46 E9X E60 F01/02
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:639833
Part#: 13621433076
In Stock
Sale - Save 20% $ 14.99

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

$ 11.99 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 14.99

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

$ 11.99 USD
Free Shipping on orders $49 and up
This is the coolant temperature sensor used in many BMW models from the late-1990s to the mid-2010s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer. This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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Febi - Corporate Logo
T#:56001934
Part#: 46221
Special Order: No Guaranteed ETA
New Item
$ 19.99 USD
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This Febi Bilstein coolant expansion tank cap is designed to maintain the exact 1.4 bar pressure required to maximize your coolant's boiling point.
Febi - Corporate Logo
T#:56507841
Part#: 11518638026
Special Order: No Guaranteed ETA
New Item
$ 121.99 USD
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Engineered for ultimate durability, the Febi Bilstein replacement switchable water pump is built to protect your BMW’s B46 or B48 power plant.


Febi - Corporate Logo
T#:56471653
Part#: 17125A05950
Special Order: No Guaranteed ETA
New Item
$ 31.99 USD
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This Febi Bilstein Coolant Pipe is built to uphold the cooling demands of your vehicle, whether you're commuting daily or pushing performance on open roads.
Febi - Corporate Logo
T#:56724732
Part#: 11517602123
Special Order: No Guaranteed ETA
New Item
$ 2.99 USD
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This Febi Bilstein water pump screw offers superior durability designed to maintain consistent clamping pressure under high thermal loads.
Vemo - Corporate Logo
T#:41052829
Part#: 17428641964
Special Order: No Guaranteed ETA
$ 400.99

This product was last offered at the strikethrough price on
04-20-2026

$ 386.99 USD
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$ 386.99 USD
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The auxiliary fan in your vehicle serves an extremely important role. When your car reaches temperatures that may be hazardous to your engine, the auxiliary fan moves air through the radiator to provide better cooling. Usually activated during times of stationary vehicle operation, it supplements the air usually driven through the radiator by driving down the road. If your vehicle is getting too hot during traffic or at stop lights, your auxiliary fans are probably faulty. Replace yours to restore the factory cooling in your vehicle and prevent catastrophic damage to your engine. Even if your fans are still operational but the blades are damaged or cracked, replacement is the only solution.
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Meyle Coolant Expansion Tank - F30/32/36 N20/26 2.0L
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:5973235
Part#: 17137642158
Ships on Oct 13, 2026
$ 111.99 USD
Free Shipping on orders $49 and up
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 on a regular basis, it can often crack or break. Wulf Gaertner Autoparts AG manufactures and markets automotive spare parts under its MEYLE brand. Since its foundation in 1958, Wulf Gaertner Autoparts has been an owner-operated, unlisted family business on the aftermarket scene. Since 1995, Wulf Gaertner Autoparts AG has been manufacturing and trading under its MEYLE brand. They pride themselves on top-grade quality-tested spare parts for passenger cars, vans, and commercial vehicles.
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Meyle Thermostat Housing - BMW E84, F10, F22, F26, F30, F31, F32, F33...
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:5704976
Part#: 11538635689
Ships on Oct 13, 2026
$ 72.99 USD
Free Shipping on orders $49 and up
When it comes to your temperature gauge on your instrument cluster your thermostat plays a large role in where that temperature needle ends up. There are many cases where the vehicle will run a bit cool according to that gauge, oftentimes meaning the thermostat has failed and is stuck open allowing coolant to continuously circulate. The other more damaging side is when it closes shut and keeps the engine from cooling down properly. All vehicles are designed to operate in an ideal temperature range for the ultimate efficiency, life, and performance.
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Meyle - Water Pump - N47
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:58453427
Part#: 11518516204
Ships on Oct 13, 2026
New Item
$ 125.99 USD
Free Shipping on orders $49 and up

Meyle - Corporate Logo
T#:40714794
Part#: 17138617045
Ships on Oct 13, 2026
$ 72.99 USD
Free Shipping on orders $49 and up
Keep your turbocharged BMW operating at its best with the Meyle Charge Air Cooler Expansion Tank 314 223 0025.
Meyle Water Pump - Engine Cooling - BMW EXX, FXX
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:52621854
Part#: MWP0663
Ships on Oct 13, 2026
New Item
$ 284.99 USD
Free Shipping on orders $49 and up
For BMW technicians and DIY enthusiasts, the MEYLE MWP0663 water pump represents a reliable solution for cooling system overhauls.

URO Parts Expansion Tank - 17138677649
2X Entries Into Our F80 M3 Sweepstakes
URO - Corporate Logo
T#:29002185
Part#: 17138677649
In Stock
$ 87.99 USD
Free Shipping on orders $49 and up

Expansion tanks are susceptible to damage due to constant exposure to high ambient temperatures and chemical degradation. If your expansion tank is cracked, replacing it is crucial to prevent catastrophic engine damage from overheating.

Features:

Guaranteed fitment Precision-molded to OE dimensions for compatibility with original sensors and connections Quality materials resist engine heat and harsh cooling system environments Factory pressure-tested 24-Month Unlimited Mileage Warranty URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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Meistersatz - Corporate Logo
T#:379621
Part#: 17117639020
Ships in 4 Business Days
$ 17.99 USD
Free Shipping on orders $49 and up
Quality aftermarket coolant expansion tank cap.
Meistersatz - Corporate Logo
T#:379740
Part#: 13621433076
In Stock at Vendor
$ 15.99 USD
Free Shipping on orders $49 and up
Monitors coolant / oil temperature
Febi - Corporate Logo
T#:56471651
Part#: 11518632585
Special Order: No Guaranteed ETA
New Item
$ 67.99 USD
Free Shipping on orders $49 and up
This water pump is manufactured to match original equipment standards, offering a drop-in replacement.


Coolant Hose
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:57616350
Part#: 11537643177
Back Ordered
New Item
$ 64.99 USD
Free Shipping on orders $49 and up
Maintain maximum thermal efficiency on the track or the street with this precision-engineered turbocharger coolant line by Rein.