The Vauxhall Vivaro 2.0d 122hp (2019 ->) produces 122bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 400Nm, a gain of 68bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.