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BMW Cooling System Parts & Accessories for BMW X Series F16 (2015+)

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 Assembly

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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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

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

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T#:26404797

Part#: 11518635090

In Stock

$ 333.99 USD

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$ 333.99 USD

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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.