The Audi A4 2.0 TFSI 200hp (B7 - 2004 - 2008) produces 200bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 250bhp and 360Nm, a gain of 50bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.