Stage 2 calibration for BMW M3 E92 4.0 V8 (MSS6x) — sharper response, track-ready powerband
A full binary Stage 2 file for BMW M3 E92/E93 4.0i V8 (S65) with Siemens MSS6x ECU. Throttle sensitivity, torque structure and ignition timing have been enhanced for high-octane performance driving. Supplied as a complete binary for direct flashing.