340i Performance Package 360hp Stage 1 tuning

The BMW 3 serie GT 340i Performance Package 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 B58B30A. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.