JB4 Performance Tuner Module

The Burger Motorsports JB4 is a plug-and-play tuning module engineered for the 2023 and newer BMW G87 M2, specifically for the S58 engine. This performance tuner is designed to unlock significant power gains, offering an estimated 80 wheel horsepower and 100 wheel lb-ft of torque on pump gas. When utilizing higher octane fuels or E85 mixtures, the JB4 can provide even more substantial increases, up to 150 wheel horsepower and 175 wheel lb-ft of torque. Installation is straightforward due to its plug-and-play design, connecting directly into the vehicle's factory wiring harness. The JB4 tuner is compatible with all driving modes and features user-adjustable boost limiting for first and second gears, allowing for tailored performance. It also offers CANbus integration for enhanced functionality and data logging. Burger Motorsports has thoroughly tested the JB4 on the S58 engine, reporting no instances of engine damage when used responsibly. To ensure optimal performance and safety, it is recommended to always run 91 octane or higher gasoline and consider professional tuning if additional modifications are added to the vehicle.