740D 258hp Stage 1 tuning

The BMW 7 serie 740D 258hp produces 258 hp and 600 Nm as standard. The YASTUNING Stage 1 remap file takes it to 300 hp and 700 Nm, a gain of +42 hp and +100 Nm. Engine code 398D1. ECU: Bosch EDC16C31. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.