Bremmen Parts BMW Cooling System Parts & Accessories for BMW 6 Series F12 (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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Performance Thermostat - 90C - N62, N63, S63, N73, S55
Performance Thermostat - 90C - N62, N63, S63, N73, S55
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T#:637061
Part#: 11537586885
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$ 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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Bremmen Parts Upper radiator hose - F06, F07, F10, F12, F13
Bremmen Parts Upper radiator hose - F06, F07, F10, F12, F13
For vehicles with High speed synchronization
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T#:1195936
Part#: 17127580957
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Sale - Save 25% $ 68.99

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01-30-2026

$ 51.40 USD
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$ 68.99

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From radiator to filter housing
Low Temperature Thermostat - 97C
Low Temperature Thermostat - 97C
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T#:33612900
Part#: 11537601159-97C
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$ 85.67 USD
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$ 107.99

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Coolant Expansion Tank Cap
Coolant Expansion Tank Cap
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T#:36032339
Part#: 17117639020
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$ 11.99 USD
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$ 14.99

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Bremmen Parts O-Ring
Bremmen Parts O-Ring
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T#:399143
Part#: 11537545278
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$ 4.07 USD
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Seals your cooling system
Coolant Expansion Tank
Coolant Expansion Tank
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T#:53044121
Part#: 17137601948
Ships on Sep 2, 2026
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Sale - Save 15% $ 72.99

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$ 62.04 USD
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$ 72.99

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Vent Hose
Vent Hose
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T#:39295552
Part#: 17127576363
Special Order: No Guaranteed ETA
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$ 22.02 USD
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$ 27.99

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