The Citroen C4 Picasso / C4 SpaceTourer 1.6 BlueHDi 100hp (2017 ->) produces 100bhp and 254Nm in standard form. Our Stage 1 ECU tuning file raises output to 130bhp and 320Nm, a gain of 30bhp and 66Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.