The Vauxhall Combo 2.0 CDTi 135hp ((D) - 2012 - 2018) produces 135bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 65bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.