JB4 Performance Tuner

The Burger Motorsports N54 JB4 is a plug-and-play performance tuner designed for N54 engines. It offers significant horsepower and torque gains, with the potential for up to 80hp to the wheels on a stock vehicle. Installation is straightforward, and the unit is compatible with all ECU versions and transmission types.

The JB4 provides multiple performance maps that can be selected on the fly, includes a stock bypass map, valet mode, and supports ethanol fuel blends (E85) and water/methanol injection. It can also log and display up to 40 engine parameters, read and delete fault codes, and offers features like boost by gear control and exhaust flap control.