The Audi A6 2.0 TDI 190hp (C7 - 2011 - 2018) produces 190bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 225bhp and 470Nm, a gain of 35bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.