The BMW 1 Series 116i 115hp (E87 - 2004 - 2007) produces 115bhp and 150Nm in standard form. Our Stage 1 ECU tuning file raises output to 128bhp and 165Nm, a gain of 13bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.