M3 Competition 450hp Stage 1 tuning

The BMW M3 M3 Competition 450hp produces 450 hp and 600 Nm as standard. The YASTUNING Stage 1 remap file takes it to 500 hp and 680 Nm, a gain of +50 hp and +80 Nm. Engine code S55B30A. ECU: Bosch MEVD17.2.G. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.