The Audi Q7 50 TDI 286hp (4M MK1 - 2015 - 2018) produces 286bhp and 620Nm in standard form. Our Stage 1 ECU tuning file raises output to 345bhp and 710Nm, a gain of 59bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.