BMW Z4 (2003-2005) MS45 ECU Tune - Stage 1 Tuning Method:Remote Flash Software + Handheld Flash Tuner Tuning an ECU to run

Tuning an ECU to run in Alpha-N mode requires extremely precise mapping which other tuners simply are not capable of

Three tunes: $500

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Applications 1200cc and above do not require plug-n-play adapters as they are direct fit

Forced induction up to 300 whp on pump gas

BMW Z4 (2003-2005) MS45 ECU Tune - Stage 1 Tuning Method:Remote Flash Software + Handheld Flash Tuner Tuning an ECU to runSee our full write up for more details and other tuning options! Stage 1: This is our OEM plus tune, ideal for a naturally aspirated engine with modifications ranging from stock to full bolt on. Expect approximately +15 horsepower on a completely stock car, and more with additional modifications. Full and part throttle tuning is optimized through adjustment of VANOS, ignition timing advance, engine torque request, throttle response, lambda targets,