The BMW 1 Series 1M - 3.0i Bi-turbo 340hp (E87 - 2007 - 2011) produces 340bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 560Nm, 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.