The Citroen C3 1.0 VTi 68hp (2010 - 2013) produces 68bhp and 116Nm in standard form. Our Stage 1 ECU tuning file raises output to 75bhp and 130Nm, a gain of 7bhp and 14Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.