S58 JB4 Performance Tuner

The Burger Motorsports S58 JB4 performance tuner is engineered to elevate the performance of your S58-powered BMW G80 M3, G82/83 M4, and G87 M2. This unit offers a seamless plug-and-play installation, ensuring no permanent modifications are needed as it can be removed without a trace. It significantly enhances vehicle performance, aiming to deliver a driving experience as smooth as stock but with considerably more power. Key features of the JB4 include up to 150 wheel horsepower and 175 wheel torque gains when using higher octane fuel or E85 blends. It comes preloaded with custom tuning software and multiple maps to accommodate various fuel types and modification levels. The tuner supports E85 ethanol blends, can read and delete fault codes, and allows for viewing and logging of up to 40 engine parameters in real-time through the compatible JB4PRO app. For enhanced control and traction, it offers boost-by-gear limiting in the first three gears. The system also manages exhaust flap operation on applicable vehicles and boasts full CANbus integration for advanced tuning capabilities. Integration with a smartphone via the JB4 Wireless Mobile Smart Phone Kit (sold separately) or a Windows laptop provides further functionality. This allows for recording and analyzing vehicle data, changing performance maps, and updating firmware. The JB4 is housed in a rugged billet aluminum enclosure for durability and is backed by a 5-year warranty. It requires 91 octane fuel or higher for optimal performance gains and does not impact fuel economy during normal driving. Please note that this product is not for sale or use in California on any pollution-controlled vehicle, as per the California Air Resources Board regulations.