The Audi A6 3.0 TDI Quattro 218hp (C7 - 2011 - 2018) produces 218bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 700Nm, a gain of 92bhp and 200Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.