N54 JB4 BMW Performance Tuner(Includes Bluetooth) | R 14500 – Check Prices Buy Online

N54 JB4 BMW Performance Tuner

The N54 JB4 BMW Performance Tuner offers significant power gains for various BMW vehicles, ranging from stock to fully modified. It features multiple performance maps for different driving scenarios, including a stock bypass map, valet mode, ethanol fuel support, and more.

Users can wirelessly connect the JB4 to their iOS, Android, or Windows device for data recording, tuning changes, and firmware updates. The tuner is compatible with various fuel types and modification levels, providing improved performance, functionality, and safety.

The JB4 is designed for easy plug-and-play installation, seamless integration with the vehicle’s systems, and smooth operation. It comes with a 5-year warranty and is not VIN locked, allowing for hassle-free removal and transfer between vehicles.

The product is not CARB exempt for California. It fits select BMW models from the 1, 3, 5, X, and Z series. The JB4 sets the standard in turbocharged performance tuning and has been a popular choice for over a decade.