The Volvo XC90 2.0 D5 Polestar 240hp (2014 ->) produces 240bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 290bhp and 580Nm, a gain of 50bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.