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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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BMW N54 N55 S55 Mosselman Thermostat Installation Kit

T#:4799665

Part#: THERMINSTALLKT

In Stock

Sale - Save 6% $ 22.99

This product was last offered at the strikethrough price on
06-15-2026

$ 21.64 USD

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Sale - Save 6%

$ 22.99

This product was last offered at the strikethrough price on
06-15-2026

$ 21.64 USD

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BMW N54 N55 S55 Mosselman Thermostat Installation Kit is designed to ensure a seamless installation of the Mosselman thermostat on BMW engines. This comprehensive kit from Turner Motorsport includes all necessary gaskets and components, guaranteeing a reliable and precise installation for optimal engine performance.

Complete Kit: Includes all essential gaskets and components required for a hassle-free thermostat installation.
Optimal Performance: Ensures proper installation of the Mosselman thermostat, leading to improved engine cooling efficiency and performance.
High-Quality Components: Gaskets and parts are manufactured to meet high standards of durability and reliability.
Precision Fit: Engineered to match OEM specifications, providing a perfect fit and reliable performance.
Ease of Installation: All necessary parts are included, simplifying the installation process and reducing the need for additional purchases.

Upgrade your BMW's cooling system with the Mosselman Thermostat Installation Kit from Turner Motorsport, ensuring a top-quality, reliable setup for your engine.

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Thermostat Replacement kit - 90C

T#:15744051

Part#: 82142209769KT

In Stock

Sale - Save 3% $ 146.99

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

$ 142.76 USD

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Sale - Save 3%

$ 146.99

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

$ 142.76 USD

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Performance Water Pump And Thermostat Kit

T#:15710799

Part#: 11517632426-KT

In Stock

Sale - Save 20% $ 514.99

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

$ 410.34 USD

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Sale - Save 20%

$ 514.99

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

$ 410.34 USD

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The stock thermostat is designed to open at 97C. This leaves your engine running fairly hot, and running for quite awhile before your thermostat will begin operation. With the Mishimoto Racing thermostat, the activation temperature becomes 74C. That's 23C cooler, meaning you can rest easy knowing your engine will stay cooler to help avoid all the problems that can be associated with an engine running hot. The water pumps in these BMW models are known for failure near 80,000 miles is a very common issue often times leaving the owner stranded. This kit provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road. Mishimoto Racing thermostat Bavarian Autosport water pump Genuine BMW coolant Mounting hardware required for both the thermostat and water pump

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Thermostat Replacement Kit - F01, F06, F07, F10, F12, F13

T#:41289768

Part#: 115376011591TKT

In Stock at Vendor

$ 177.99

This product was last offered at the strikethrough price on
06-28-2026

$ 160.99 USD

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$ 160.99 USD

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Everything you need to replace your thermostat with a high quality aftermarket unit on your F chassis BMW!

Thermostat Installation Kit with Thermostat - N54, N55, S55

T#:55353595

Part#: OTN54.T85KT3

Ships in 1 Business Day

$ 390.23 USD

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$ 390.23 USD

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High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.

Mosselman MSL Hardware - N54/N55/S55 w/ MSL Oil Thermostat Upgrade ...

T#:27338727

Part#: 030210011

Ships in 1-2 days

$ 25.99 USD

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$ 25.99 USD

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This hardware can be used in conjunction with your Mosselman MSL Oil Thermostat for added flair and durability.

Specifications:

Grade 5 Titanium Hex-Race head M8x25mm

Mosselman MSL Oil Thermostat Installation Kit

T#:26404801

Part#: 030210012

Ships in 1-3 days

$ 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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Mosselman Billet Oil Thermostat With Installation Kit

T#:27338734

Part#: OTN54.T85KT

Ships in 1-2 days

$ 433.99 USD

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$ 433.99 USD

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The N54 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.

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Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F0...

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T#:595421

Part#: 17127575428

In Stock at Vendor

$ 82.99

This product was last offered at the strikethrough price on
05-07-2026

$ 80.99 USD

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$ 80.99 USD

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Overflow hoses connect the radiator and the expansion tank to store overflow of coolant. As pressures in the cooling system increase due to coolant temperatures, a valve on the radiator cap permits coolant back into the reservoir to help ease the build-up of pressure and prevent coolant loss. If your hose is leaking or damaged, we recommend swapping it out with this replacement from Vaico.

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Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Ta...

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T#:595431

Part#: 17127591512

In Stock at Vendor

$ 185.99

This product was last offered at the strikethrough price on
05-08-2026

$ 179.99 USD

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$ 179.99 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.

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