The BMW 7 Series 750i 407hp (F01 - 2009 - 2015) produces 407bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 520bhp and 700Nm, a gain of 113bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.