The Audi A4 3.0 TDI FWD 218hp (B9 - 2015 - 2018) produces 218bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 300bhp and 500Nm, a gain of 82bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.