JB4 Performance Tuner

The Burger Motorsports JB4 is a plug-and-play performance tuner engineered for turbocharged BMW vehicles equipped with the N63, N63R, or N63TU engines. It directly interfaces with your car's sensors and ECU, manipulating boost, timing, and fuel trims to deliver significant power and torque gains without requiring an ECU flash or VIN lock. This JB4 tuner provides a suite of advanced features, including full CANbus integration, multiple performance maps for various fuel types, user-adjustable fuel control, and boost-by-gear settings for enhanced traction. It also supports WMI (Water/Methanol Injection) and offers full data logging of up to 40 engine parameters. The inclusion of the JB4PRO adapter and free app allows for wireless connectivity to your iOS or Android device, enabling performance map changes, data analysis, and firmware updates. Installation is described as quick and plug-and-play, with no ECU flash required. The tuner is fully removable and not VIN-locked. It comes with a 5-year warranty, is designed and assembled in the USA, and features a durable billet aluminum enclosure. This tuner supports E85 ethanol blends and requires 91 octane or better for optimal performance gains. It also includes the ability to read and delete fault codes and control exhaust flap operation on compatible vehicles. Fitment is specifically for various BMW models equipped with the N63, N63R, and N63TU engines, including specific years and series such as the 5 Series (F10/F11/F07), 6 Series (F12/F13/F06), 7 Series (F01/F02), 8 Series (G15/G14/G16), and X Series (F15/F16, G05/G06/G07). It is crucial to verify sensor fitment using the provided reference photo for certain model years.