The BMW X5 4.0D 306hp (E70 - 2010 - 2013) produces 306bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 360bhp and 700Nm, a gain of 54bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.