BMW Cooling System Parts & Accessories for BMW X Series F16 (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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Mosselman MSL Oil Thermostat Installation Kit
Mosselman MSL Oil Thermostat Installation Kit
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Mosselman Turbosystems - Corporate Logo
T#:26404801
Part#: 030210012
In Stock
$ 27.99 USD
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$ 27.99 USD
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Prevent costly oil leaks when installing a new MSL oil cooler from Mosselman. These high-quality rubber gaskets ensure your oil thermostat is sealed properly, guaranteeing peak performance and long service life.

Kit includes:

2x Oil Pressure Hose O-Ring 1x Oil Filter Housing Gasket

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Thermostat Assembly
Thermostat Assembly
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bavarian Autosport - Corporate Logo
T#:15511823
Part#: 11537598865
In Stock
Sale - Save 10% $ 77.99

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

$ 70.19 USD
Free Shipping on orders $49 and up
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Sale - Save 10%
$ 77.99

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

$ 70.19 USD
Free Shipping on orders $49 and up
Add to Wish List
Replace your thermostat housing at any signs of leaks or premature failure. Includes housing. Does not include a housing gasket.
BMW N55 3.0L Water Pump
BMW N55 3.0L Water Pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bavarian Autosport - Corporate Logo
T#:26404797
Part#: 11518635090
In Stock
$ 333.99 USD
Free Shipping on orders $49 and up
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$ 333.99 USD
Free Shipping on orders $49 and up
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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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