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CarBahn Flash Software
CarBahn Flash Software

Full Calibration. Maximum Output.

This is the deepest performance upgrade we offer.
CarBahn Flash Software delivers the strongest gains for most vehicles with Stage 1, Stage 2, and Stage 3 availability — plus removes the top-speed governor and can be customized with optional burbles and remote start.

Authorized Dealer install only
June 2021+ requires FEMTO unlock
Pre-June 2021 bench unlock at dealer
Flash back to stock anytime

Stage ladder (do it right): Stage 2 and Stage 3 require supporting hardware — Stage 2 adds cooling (Heat Exchanger), and Stage 3 adds intercoolers for serious boost-ready setups. We can handle the FEMTO service at our authorized dealerships, so you’re not chasing vendors or shipping blind.

ECU Flash Tuning Software for BMW, Audi, & Mercedes

Discover CarBahn's premium ECU software collection for Audi & BMW, meticulously designed to unleash the full potential of your vehicle. Our expert-tuned software enhances performance, delivering increased horsepower, torque, and efficiency while maintaining reliability and drivability. Whether you're seeking a power boost for your daily driver or optimizing your track car's performance, CarBahn's ECU software offers precision engineering tailored to meet your needs. Explore our collection today and experience the ultimate in automotive performance upgrades.