The Chevrolet Captiva 3.0 LTZ 258hp (2011 - 2018) produces 258bhp and 288Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 305Nm, a gain of 12bhp and 17Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.