418i 136hp Stage 1 tuning

The BMW 4 serie GC 418i 136hp produces 136 hp and 220 Nm as standard. The YASTUNING Stage 1 remap file takes it to 170 hp and 280 Nm, a gain of +34 hp and +60 Nm. Engine code B38 B15A. ECU: Bosch MEVD17.2.3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.