M3 431hp Stage 1 tuning

The BMW 3 serie M3 431hp produces 431 hp and 550 Nm as standard. The YASTUNING Stage 1 remap file takes it to 500 hp and 650 Nm, a gain of +69 hp and +100 Nm. Engine code S55B30A. ECU: Bosch MEVD17.2. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.