The Audi A6 2.0 TDI 177hp (C7 - 2011 - 2018) produces 177bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 430Nm, a gain of 33bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.