The Audi A4 2.0 TFSI 150hp (B9 - 2015 - 2018) produces 150bhp and 270Nm in standard form. Our Stage 1 ECU tuning file raises output to 245bhp and 430Nm, a gain of 95bhp and 160Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.