BMW Z3 M 3.2 321hp ECU Tuning File

The BMW Z3 M 3.2 321hp (All) produces 321bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 350bhp and 380Nm, a gain of 29bhp and 30Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.