The BMW 5 Series GT 535D 313hp (F07 - 2009 - 2017) produces 313bhp and 630Nm in standard form. Our Stage 1 ECU tuning file raises output to 365bhp and 710Nm, a gain of 52bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.