The BMW X5 2.8i 245hp (F15 - 2013 - 2018) produces 245bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 430Nm, a gain of 45bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.