The BMW 1 Series 130i 265hp (E87 - 2004 - 2007) produces 265bhp and 315Nm in standard form. Our Stage 1 ECU tuning file raises output to 285bhp and 340Nm, a gain of 20bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.