BMS BMW E-Chassis N54/N55 Transmission Cooler
BMS BMW E-Chassis N54/N55 Transmission Cooler
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BMS BMW E-Chassis N54/N55 Transmission Cooler

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Heat is the enemy of your automatic transmission, and everyone knows that higher power levels generate more transmission fluid heat. Now you can extend the life of your automatic transmission by installing the new BMS High Capacity Trans Cooler kit. This unique plug and play kit replace your factory coolant to trans fluid heat exchanger with a high capacity fender-mounted air to trans fluid radiator. Includes all mounting hardware, lines, and coolant caps required for installation. Installs inside the driver side fender providing ample airflow over the large cooling core via existing openings. The result is dramatically reduced transmission temperature and extended transmission life. This kit is strongly suggested for any BMW E chassis automatic running larger than factory turbos and single turbo applications.


  • Dissipates excess transmission fluid heat
  • Reduces transmission fluid temperature
  • Increases transmission life when racing

  • Not compatible with manual transmissions.
  • Compatible with both RHD and LHD vehicles.

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