CarBahn is a leading producer of BMW and Mercedes tuning software and high performance parts. Steve Dinan, CEO and founder of Carbahn is well known pioneer in BMW and Mercedes software tunes. Increase your BMW or Mercedes power and performance safely with Carbahn’s performance tuning software.

When it comes to high performance upgrades, we have a long history in racing. Steve Dinan, also founder of Dinan Cars built the largest BMW aftermarket company in the US. CarBahn is testing and approving high performance products that meet Steve’s standards. In addition, Steve is combining these products with proprietary high-performance products to give you the best selections of durable street car performance equipment.