The Opel Vivaro 1.6 DCi Bi-Turbo (Euro 6) 125hp (2016 - 2018) produces 125bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 370Nm, a gain of 40bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.