The Vauxhall Vivaro 2.0 CDTi 90hp (2001 - 2014) produces 90bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 145bhp and 350Nm, a gain of 55bhp and 110Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.