Stage 1 ECU calibration for BMW F22 220i equipped with the N20B20 turbocharged engine. Designed for Bosch MEVD17.2.9 with software version 545128, this file delivers aggressive midrange torque and a fully derestricted top speed. Includes CAT OFF, VMAX delete, and full Sport Display activation. Developed on a dyno and bench-tested with AutoTuner toolset.