Quote:
Originally Posted by Thewolfbmw
Additional, there is also a slight adjustment in the exhaust in the different "engine sounds" setting.
I get a lot more growl in sport plus setting than I do in comfort, again, with values open.
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I really don't think that is correct. The "fake" sound inside the car changes when switching between modes...... and when driving, Sport and Sport+ holds the gears higher so the engine is turning faster.
And of course, the flapper valves operate differently between modes, unless you have them permanently opened.
But I really don't think the "engine and exhaust" performs or sounds any differently. Sport and Sport+ adjusts throttle response, and tells the transmission to hold gears longer and shift quicker..... but it doesn't change the timing/boost.... which is the only thing that would change the sound of your exhaust.
If your valves are opened full time..... and you are just revving the engine in Neutral..... I'm about 99% sure all your modes will sound the exact same.