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BMW Cooling System Parts & Accessories for BMW 6 Series F13 (2012+)

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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

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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

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05-03-2026

$ 142.76 USD

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Performance Water Pump & Thermostat Kit - 90*C - S63

T#:30397428

Part#: 11537843738KT2

Ships on Dec 1, 2026

$ 579.99

This product was last offered at the strikethrough price on
04-28-2026

$ 547.99 USD

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The water pump is a known weak point across all BMW models, requiring servicing every 60,000 miles. Along with the water pump, it’s wise to replace the thermostat to ensure your cooling system operates at peak efficiency.

This kit features a 90°C (194°F) thermostat from Hamburg Technic, which opens approximately 15°C earlier than the standard factory thermostat. This lower temperature is particularly advantageous for performance-focused applications.

What's Included:

Genuine BMW Mechanical Water Pump Assembly (11537843738) Hamburg Technic Performance Thermostat - 90°C/194°F (11537586885) Genuine BMW Coolant/Antifreeze - Diluted, 1 Gallon (82141467704) Benefits of a Lower Thermostat Temperature:

Enhanced Engine Cooling: Opens sooner to reduce engine temperature more effectively. Improved Performance: Keeps engine components cooler, allowing for better performance in high-stress conditions. Extended Engine Life: Reduces thermal stress on engine parts, promoting longevity. Prevents Overheating: Helps to avoid overheating in demanding driving scenarios. Optimized Fuel Efficiency: Maintains ideal engine temperature for efficient fuel combustion. Elevate your BMW's cooling system and performance with this expertly curated kit from Turner Motorsport.

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

T#:41289768

Part#: 115376011591TKT

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$ 177.99

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06-28-2026

$ 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!

OEM Style Hose Clamps

T#:338927

Part#: HOSE-CLAMPS

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This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 3.87 USD

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$ 3.99

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Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.

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Thermostat Installation Kit with Thermostat - N54, N55, S55

T#:55353595

Part#: OTN54.T85KT3

Ships in 4 Business Days

$ 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.

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

T#:637061

Part#: 11537586885

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05-03-2026

$ 75.06 USD

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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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Schwaben Coolant Refill/Air Purge Tool

T#:362940

Part#: 003466SCH01

Ships on Sep 1, 2026

Sale - Save 20% $ 109.99

This product was last offered at the strikethrough price on
05-02-2026

$ 87.99 USD

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$ 87.99 USD

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When it comes to BMW's we all know the weak point is commonly in the cooling system, many models proving hard to bleed the air pockets out after the refresh. The coolant refill tool solves this problem, ensuring that you get an air pocket free fill. The entire task is as simple as draining the system like normal, reinstalling the drain plugs and hooking the tool up to your refill location. The reason this tool works so well is due to the venturi valve, it converts air pressure from the compressor to vacuum inside the cooling system, then with a twist of a valve sucks coolant right into the system using the vacuum pressure.

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Schwaben Locking Hose Clamp Pliers

T#:377131

Part#: 004170SCH01A

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05-02-2026

$ 28.79 USD

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These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).

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Schwaben Locking Hose Pinch-Off Pliers

T#:379950

Part#: 009787SCH01A

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$ 33.99 USD

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Schwaben Locking Hose Pinch-Off Pliers have adequate clamping force to effectively seal large or pressurized cooling system hoses. These pliers are ideal for clamping shut most hoses, ensuring reliability in your automotive tasks. With swivel jaws, they provide even clamping force, making them a versatile tool for various applications.

Adequate clamping force for large or pressurized hoses
Ideal for clamping shut most hoses
Swivel jaws ensure even clamping force
Versatile tool for automotive maintenance

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. For more information, visit http://www.p65warnings.ca.gov.

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Radiator Pressure Tester Kit

T#:391482

Part#: 014710SCH01A

Ships in 5 Business Days

Sale - Save 25% $ 205.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 154.49 USD

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Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.

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Bremmen Parts Upper radiator hose - F06, F07, F10, F12, F13

For vehicles with High speed synchronization

T#:1195936

Part#: 17127580957

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01-30-2026

$ 51.40 USD

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From radiator to filter housing

Low Temperature Thermostat - 97C

T#:33612900

Part#: 11537601159-97C

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05-03-2026

$ 85.67 USD

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Coolant Expansion Tank Cap

T#:36032339

Part#: 17117639020

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$ 11.99 USD

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$ 11.99 USD

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Schwaben Radiator/ Intercooler Fin Comb

T#:384260

Part#: 015326SCH01A

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05-02-2026

$ 14.99 USD

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Straighten bent fins in heat exchangers like radiators, condensers, and intercoolers obstruct air flow and reduce heat transfer. Paper-thin fins are easily bent, even by slight pressure.

Bremmen Parts O-Ring

T#:399143

Part#: 11537545278

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$ 4.07 USD

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Seals your cooling system

Vent Hose

T#:39295552

Part#: 17127576363

Special Order: No Guaranteed ETA

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05-03-2026

$ 22.02 USD

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