Originally Posted by mdosu
yeah, the only need I can think of for the power and power + feature is for 6MT cars on a track where it aids in a quick rev match downshift. As mentioned, the revs drop really quickly in the M3, so with power on, you can rev it with less pedal travel and therefore quicker and for a better match if you're new to the process.
i have power on as the default setting.... coz when i didn't and had it programmed in the M button and went in to M mode i was over-rev ing ALOT when trying to rev match on a power down shift....
Practice.. practice ...ZZZzzzz