The Toyota Avensis 2.0 D-4D 143hp (2015 ->) produces 143bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 400Nm, a gain of 37bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.