The Opel Vivaro 1.6 CDTi 115hp (2014 - 2016) produces 115bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 135bhp and 350Nm, a gain of 20bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.