The Ford Fiesta 1.6 TDCI 90hp (Mk6 - 2008 - 2012) produces 90bhp and 204Nm in standard form. Our Stage 1 ECU tuning file raises output to 115bhp and 260Nm, a gain of 25bhp and 56Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.