The Ford Fiesta 1.5 TDCi 85hp (MK8 - 2017 ->) produces 85bhp and 215Nm in standard form. Our Stage 1 ECU tuning file raises output to 120bhp and 270Nm, a gain of 35bhp and 55Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.