The Audi A6 3.0 TDI FWD 218hp (C7 - 2011 - 2018) produces 218bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 520Nm, a gain of 62bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.