The Jaguar XJ 2.0 Turbo 240hp (2009 ->) produces 240bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 440Nm, a gain of 30bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.