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CarBahn x BMW of Fairfield CarBahn x BMW of Fairfield CarBahn x BMW of Fairfield

CarBahn is a performance tuning and automotive enhancement company specializing in high-performance upgrades, particularly for BMWs and other luxury and performance vehicles.

CarBahn is known for being able to sell & install the following items:

  • ECU and TCU tuning: Software modifications to increase horsepower, torque, and overall performance.
  • Performance parts: Things like exhaust systems, turbo upgrades, suspension components, and intercoolers.
  • Complete vehicle builds: For customers looking for more extensive upgrades (track builds or high-performance street cars).
  • Cosmetic upgrades: Wheels, body kits, and other visual modifications.
CarBahn Performance Parts
Tuning Experience
Tuning cars
since 1977
Steve Dinan and his team have tuned cars for almost half a century
Warranty
Factory
matching warranty
CarBahn offers factory matching warranty on our ECU tunes for peace of mind.
US Based
US Based
sales & support
Based in Littleton, Colorado & San Jose, California. Let's talk shop.

THE HISTORY OF CARBAHN

CarBahn was founded by Steve Dinan, a well-known figure in the BMW tuning world. Before CarBahn, Steve ran Dinan Engineering, which was for years one of the most respected BMW tuning companies in the U.S. Dinan was known for making performance upgrades that maintained BMW's reliability and often preserved the manufacturer's warranty.

While CarBahn itself is not officially affiliated with BMW, its founder's legacy and deep understanding of BMW platforms mean that CarBahn products are very much BMW-focused, especially M cars.

Steve Dinan
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