The Audi R8 5.2 FSI 540hp (2015 ->) produces 540bhp and 530Nm in standard form. Our Stage 1 ECU tuning file raises output to 630bhp and 580Nm, a gain of 90bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.