M40i 360hp Stage 1 tuning

The BMW X4 M40i 360hp produces 360 hp and 500 Nm as standard. The YASTUNING Stage 1 remap file takes it to 400 hp and 580 Nm, a gain of +40 hp and +80 Nm. Engine code N55B30A. ECU: Bosch MEVD17.2. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.