Steve Dinan’s BMW, Audi, & Mercedes Performance Tuning & Aftermarket Parts

Refined Performance
Factory Warranty Match
Industry Leading Engineering

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Over 40 Years of Power, Precision, Performance, & Endless Possibilities

If it can be done to your car, we have a part for that

Steve Dinan Homepage

Why CarBahn?

CarBahn is led by Steve Dinan, previous founder of Dinan Engineering. With over 40 years of automotive and racing experience, high-powered vehicle performance is more than just a hobby.

From championship winning race engines to some of the most high performing street cars of all time, Steve is the artist.

Why CarBahn?

CarBahn is led by Steve Dinan, previous founder of Dinan Engineering. With over 40 years of automotive and racing experience, high-powered vehicle performance is more than just a hobby.

From championship winning race engines to some of the most high performing street cars of all time, Steve is the artist.

Recent News

  • CarBahn: BMW CCA Interview With Steve Dinan

     CarBahn: BMW CCA Interview In a captivating dialogue between […]

  • The Difference Between Rear Wheel And Flywheel Power
  • How much HP would a Stage 3 M340 tune make?
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“Steve Dinan is back with Mercedes, Audi & BMW performance tuning software and parts. Both of my BMWs and Mercedes have his magic go fast performance tuning and parts. Thanks Steve!”
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