The Citroen C3 1.5 BlueHDI 100hp (2013 - 2019) produces 100bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 300Nm, 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.