The Vauxhall Zafira 2.0 CDTi 110hp ((C) - 2011 - 2016) produces 110bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 400Nm, a gain of 80bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.