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and port‑injection blending/PI controller integration (AIC/Reflex/etc
send clean datalogs → we iterate to finalize
increased throttle response
Flash with MHD
95 pump gas and ethanol blends (E30
E9X M3 S65 MSS65 N/A Tune – Stage 1/2/3 740i and port‑injection blending/PI controller integrationLooking for a supercharger tune? If your S65 is supercharged, this is not the correct product. Supercharged setups require a dedicated calibration strategy. Please find the Supercharger Tune product to ensure proper fueling, load modeling, and engine safety. This BMW MSS65 custom ECU tune is designed specifically for the naturally aspirated S65 V8, delivering sharper throttle response, improved power delivery, and refined drivability while maintaining