Welcome to GT Kraft's Smart Tuning Specifications page. Here, you can select your Smart series, from City to Roadster, and discover the best ECU tuning files just a few clicks away.
Our tuning files are meticulously developed by some of the finest engineers in the business, ensuring optimal performance and safety. They are tested both on the dyno and on the road for maximum reliability.
We also offer quick file service for stages 1 and 2, Pop & Bang projects, stage 3 and 4, and much more. Our specialized gearbox/TCU tuning is available for Audi, BMW, Porsche, Volkswagen, and many other brands. Register now and experience the GT Kraft difference.