The Audi A7 40 TDI (2.0D) 204hp (2018 ->) produces 204bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 235bhp and 450Nm, a gain of 31bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.