The Land Rover Defender 2.5 TD5 122hp (2000 - 2007) produces 122bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 150bhp and 365Nm, a gain of 28bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.