The Audi A4 2.7 V6 TDI 163hp (B8 - 2008 - 2011) produces 163bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 230bhp and 480Nm, a gain of 67bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.