The Audi A4 1.8T 20v 190hp (B6 - 2001 - 2004) produces 190bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 340Nm, a gain of 30bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.