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We highly recommend you consider tuning to be a final ECU calibration and the very last step when optimizing your vehicle
0) must guess the AFR at full load rather than measure it
This is why nearly every aftermarket supercharger kit for naturally aspirated BMW M cars uses Alpha-N
engine torque request
and our proprietary sport plus throttle response when sport mode is activated)
BMW Z4 (2003-2005) MS45 ECU Tune - Stage 2 +3 Additional Tunes:No We highly recommend you considerSee our full write up for more details and other tuning options! Stage 2: Ideal for major power adders such as forced induction. Our Stage 2 ECU tune can also benefit naturally aspirated race engines making >20% more horsepower than standard through modifications such as large duration and high lift camshafts, individual throttle bodies, and head work. Stage 2 includes the same parameter revisions as Stage 1, plus additional modifications to injector
