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BMW Cooling System Parts & Accessories for BMW 7 Series F01 (2009+)

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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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Performance Thermostat - 90C - N62, N63, S63, N73, S55

T#:637061

Part#: 11537586885

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Includes housing and sealing o-ring A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also helping to increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.

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Bav Auto Spill-Proof Coolant / Antifreeze Funnel

T#:580395

Part#: B8800082

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Multiple adapters include to fit a variety of vehicles.

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

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

T#:580397

Part#: B8800084

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Bav Auto Angled Hose Pinch Plier Set - 2pc

T#:580379

Part#: B8800058

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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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Low Temperature Thermostat - 97C

T#:33612900

Part#: 11537601159-97C

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$ 85.67 USD

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Coolant Expansion Tank Cap

T#:36032339

Part#: 17117639020

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Water Hose for Transmission Cooler Lower Fitting - F01 F02 7 Series ...

T#:22525962

Part#: 17127575429

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$ 68.26 USD

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Replace your failing coolant hoses! For 750i, 750Li, and 750LiX equipped with the N63 engine.

Bremmen Intercooler Coolant Hose - Auxiliary Water Pump to Expansion ...

T#:697879

Part#: 17127591512

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$ 67.27 USD

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Replacement coolant hose that connects the expansion tank to the auxiliary water pump. Replace your old hose to prevent coolant loss and overheating.

Radiator to Transmission Cooler Hose - F01 and F02 7 Series

T#:22525964

Part#: 17227575387

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$ 54.41 USD

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Replace brittle or failing coolant hoses! For 760i, 750i, 750Li, and 750LiX.

Thermostat - 105C

T#:15511827

Part#: 11537502779

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$ 45.58 USD

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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include prolonged warm-up at highway speeds from the thermostat being stuck open, or consistent overheating issues from the thermostat being stuck in the closed position. Either condition can result in poor performance, and potential damage to vital components in your vehicle.

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Coolant Expansion Tank

T#:53044121

Part#: 17137601948

Ships on Sep 28, 2026

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$ 62.04 USD

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Vent Hose

T#:39295552

Part#: 17127576363

Special Order: No Guaranteed ETA

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$ 22.02 USD

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