The Audi A5 2.0 TDI CR 136hp (MK1 - 2007 - 2011) produces 136bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 410Nm, a gain of 49bhp and 90Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.