The Audi A4 1.8 T 163hp (B7 - 2004 - 2008) produces 163bhp and 225Nm in standard form. Our Stage 1 ECU tuning file raises output to 195bhp and 320Nm, a gain of 32bhp and 95Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.