ECUFILESPRO.COM is a leading File Service and we offer individual ECU files for AlpinaB4 AllB4 Bi-Turbo 440hp (0kW). All Alpina tuning files are custom made and developed with data logs and real-world tests over the years. The majority of software versions of AlpinaB4 AllB4 Bi-Turbo 440hp (0kW) are tested on a dyno bench and optimized for best performance and efficiency. We constantly optimize our tools and software applications to have the latest technologies for ECU remaps. Chiptuning files for Alpina are downloaded globally every day by our customers. Above you can find the results for STAGE1 chiptuning file for AlpinaB4 AllB4 Bi-Turbo 440hp (0kW) - the result is more power, a smoother torque curve, less fuel consumption, more torque at low rpm, and better throttle response. All AlpinaB4 AllB4 Bi-Turbo 440hp (0kW) engines tuning files are safe to use for daily driving.