The Citroen C4 Picasso / C4 SpaceTourer 1.6 THP 155hp (2013 - 2016) produces 155bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 190bhp and 300Nm, a gain of 35bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.