The BMW 7 Series 750d 400hp (G11/G12 - 2016 - 2018) produces 400bhp and 760Nm in standard form. Our Stage 1 ECU tuning file raises output to 460bhp and 880Nm, a gain of 60bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.