BMW Cooling System Parts & Accessories for BMW 7 Series F02 (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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Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F02 N63 4.4L
Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F0...
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Vaico - Corporate Logo
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 Tank - F01 F02 N63
Vaico Intercooler Coolant Hose - Auxiliary Water Pump to Expansion Ta...
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Vaico - Corporate Logo
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.
BMW N54 N55 Water Pump
BMW N54 N55 Water Pump
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Gates - Corporate Logo
T#:592891
Part#: 11517563659
Ships on Jul 29, 2026
$ 759.99 USD
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$ 759.99 USD
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BMW N54 N55 Water Pump ensures reliable cooling performance for your BMW's engine. This high-quality water pump is designed for late-model N54 and N55 engines, offering enhanced reliability and ease of service. Unlike older models, it does not require a gasket or o-ring, simplifying installation and maintenance. Replacing worn water pumps during routine cooling system services is crucial for maintaining optimal engine performance and preventing overheating issues.

  • Enhanced reliability for peace of mind
  • Easy installation and serviceability
  • No need for gasket or o-ring
  • Maintains optimal engine cooling efficiency
  • Designed specifically for BMW N54 and N55 engines

Ensure your BMW's engine stays cool and performs efficiently with the BMW N54 N55 Water Pump.

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