S68 Performance Tuner for BMW 4.4L S68 Engine

The JB4 S68 is an advanced performance tuning module specifically engineered for BMW vehicles featuring the 4.4L S68 engine. This plug-and-play tuner installs easily by connecting between the vehicle's sensors and the DME/ECU, manipulating performance parameters to significantly increase speed and responsiveness. It offers a fully reversible solution with no need for splicing or cutting factory wires. Key features of the JB4 S68 include user-adjustable boost limiting for 1st and 2nd gear, allowing for improved traction. It provides electronic wastegate control, supports E85 ethanol blends, and integrates advanced CANbus-based diagnostic tools to read and delete fault codes. The tuner also offers multiple mapping options for different fuel types and can display and log up to 40 engine parameters. The unit comes in a billet aluminum enclosure and includes free firmware updates and free Bluetooth app control via the JB4PRO adapter and app. Installation is straightforward and plug-and-play. The JB4 S68 is compatible with locked ECUs, meaning no ECU flash is required. It is designed and assembled in the USA and comes with a 5-year warranty. This tuner is compatible with the following BMW models equipped with the S68 4.4L engine: - 2023+ BMW 7 Series M60e and M760i (G70 chassis) - 2024+ BMW X6 M60i (G06 chassis) - 2024+ BMW X5 M60i (G05 chassis) - 2023+ BMW X7 M60i and ALPINA XB7 (G07 chassis) Note: This product is for S68 ///M vehicles; separate listings are available for ///M models. Requires 91 octane or better for performance gains.