Packaged by Turner BMW Cooling System Parts & Accessories for BMW 3 Series E90 (2006-2011)

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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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High Performance Cooling System Upgrade - E9X 335i N54 w/ Manual Transmission
High Performance Cooling System Upgrade - E9X 335i N54 w/ Manual Tran...
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Packaged by Turner - Corporate Logo
T#:557323
Part#: E9XN54PCKT
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$ 2,192.99

This product was last offered at the strikethrough price on
10-13-2026

$ 2,187.39 USD
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$ 2,187.39 USD
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Add to Wish List

If you plan to drive your BMW aggressively on the track, it is important that you upgrade your cooling system to avoid overheating. To ensure your BMW keeps cool on the track, we have built out our new High Performance Cooling System Upgrade kits. Featured in this kit is everything you will need to redo your cooling system from top to bottom with OEM components, with select stock components swapped out for the high performance alternative! This kit includes a high performance CSF Aluminum Radiator for significantly better cooling than the stock radiator and full aluminum construction that won't crack from long term heat cycling, and a Mishimoto Performance 74*C thermostat for lower temperature operation and increased cooling of the engine. 

Additional items included in this kit:

  • OEM Replacement Coolant Hoses
  • ECS Tuning Silicone Coolant Outlet Hose with ECS Billet Thermostat Hose Adapter
  • ECS Tuning Aluminized Water Pump Hose
  • OEM Expansion Tank, Cap, and Level Sensor
  • OEM Belts, Tensioners, and Pulleys
  • OEM Auxiliary Fan Switch
  • OEM VDO Water Pump
  • Genuine BMW Hardware for Easy Installation
  • Genuine BMW Antifreeze/Coolant (Undiluted) - 2 Gallons
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