This Stage 2 ECU file is crafted for the 2018 BMW X4 G02 40i powered by the 3.0L B58 engine and Bosch MG1CS003 ECU. The map includes CAT OFF, Vmax limiter removal, and Sport Display activation for a dynamic on-screen power readout. It’s ideal for modified AWD setups and fully compatible with FEMTO tools. One modified version is included alongside the stock file for safe fallback.