Specializing in forced-induction tuning by Burger Tuning, we proudly offer highly-calibrated performance tuning for most modern BMW vehicle platforms. Burger Tuning manufactures top quality plug-and-plug tuning devices that are connected to various engine sensors and the vehicle’s OBDII port. The ultimate tune for your turbocharger-powered vehicle, the JB4 allows you to go from factory stock to full race, and everywhere in between. The JB4 installs and removes easily and most includes many unique features not found in any other tune including user adjustable 1st and 2nd gear boost limiting, map switching in dash, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.