4.7 V8 430hp Stage 1 tuning

The Maserati Quattroporte 4.7 V8 430hp produces 430 hp and 490 Nm as standard. The YASTUNING Stage 1 remap file takes it to 445 hp and 510 Nm, a gain of +15 hp and +20 Nm. Engine code M 139R. ECU: Bosch ME7.3.2, Bosch ME9.1.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.