This Stage 2 ECU file is tailored for the 2016 BMW 320i (F31) equipped with the 2.0L B48 turbocharged engine and Bosch MG1CS003 ECU. The file delivers increased mid-range power and improved throttle precision while keeping stability and reliability intact. Optimized for automatic gearbox compatibility, this calibration was developed using FEMTO tools and includes the original binary for safe rollback.