BMW Cooling System Parts & Accessories for BMW X Series F26 (2015+)

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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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Thermostat With Aluminum Housing - N20
Thermostat With Aluminum Housing - N20
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Bremmen Parts - Corporate Logo
T#:30828065
Part#: 11538635689M
In Stock
Sale - Save 20% $ 125.99

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

$ 100.36 USD
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Sale - Save 20%
$ 125.99

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

$ 100.36 USD
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OEM INA Water Pump - BMW N54 N55 3.0L
OEM INA Water Pump - BMW N54 N55 3.0L
Ina - Corporate Logo
T#:40004835
Part#: 11515A05704
In Stock
$ 445.99 USD
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$ 445.99 USD
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Water pumps are a critical component of your cooling system. A failed water pump will stop the flow of coolant in your vehicle, leading to overheating and eventual engine damage. Replace your faulty or aging water pump with a high-quality OEM unit from Schaeffler. Replacement for BMW part # 11519455978, 11517632426, and 11517563659.
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Bremmen Water Pump Bolt - M8x34 - BMW N20 2.0L
Bremmen Water Pump Bolt - M8x34 - BMW N20 2.0L
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:36913363
Part#: 11517602125
In Stock
Sale - Save 35% $ 4.99

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

$ 3.26 USD
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$ 4.99

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$ 3.26 USD
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This external torx head screw is a direct replacement for the costly OEM screw, which must be replaced during every water pump service.

Quantity 3 required for complete replacement.

Coolant Expansion Tank Cap
Coolant Expansion Tank Cap
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Bremmen Parts - Corporate Logo
T#:36032339
Part#: 17117639020
In Stock
Sale - Save 20% $ 14.99

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

$ 11.99 USD
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$ 14.99

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

$ 11.99 USD
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Thermostat Housing
Thermostat Housing
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:15511821
Part#: 11537586784
Special Order: No Guaranteed ETA
Sale - Save 3% $ 79.99

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

$ 77.59 USD
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Sale - Save 3%
$ 79.99

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

$ 77.59 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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INA Water Pump for E60 , E71 and F10
INA Water Pump for E60 , E71 and F10
We Price Match - Give Us A Call or Chat!
Ina - Corporate Logo
T#:36574507
Part#: 11517632426
Back Ordered
$ 691.99 USD
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$ 691.99 USD
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This premium replacement water pump is engineered to OE specifications for performance, reliability, and longevity, making it an essential component for maintaining optimal engine temperatures

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