I believe its actually between 5-5.5k rpm. There were multiple dyno charts when the M2C was released and they all showed the power capped a bit after 5k. BMW didnt want M2C breaking big brothers legs (M3/M4).
Thats why you do a simple tune on the M2C and it releases a chunk of power and the acceleration is linear until redline.
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Garage: 2018 991.2 GT3|2013 135i|2004 M3|2004 X3|1987 325is|1987 325i|1974 2002tii
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