The Citroen C3 1.4i 75hp (2010 - 2013) produces 75bhp and 120Nm in standard form. Our Stage 1 ECU tuning file raises output to 83bhp and 134Nm, a gain of 8bhp and 14Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.