The BMW X5 5.0i 407hp (E70 - 2010 - 2013) produces 407bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 470bhp and 710Nm, a gain of 63bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.