The Ford Fiesta 1.4 TDCI 70hp (Mk5 - 2001 - 2008) produces 70bhp and 160Nm in standard form. Our Stage 1 ECU tuning file raises output to 92bhp and 210Nm, a gain of 22bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.