The Audi Q7 3.0 TDI CR 249hp (4M MK1 - 2015 - 2018) produces 249bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 680Nm, a gain of 61bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.