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      01-07-2015, 12:00 PM   #46
brianeck
Part Time Firetruck Crash Barrier
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Drives: 2022 M340ix Mineral Grey
Join Date: Mar 2013
Location: Nyack NY

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Quote:
Originally Posted by Wei718 View Post
Pull the exhaust flaps plug and I bet you won't get those funny looks anymore
Hmmmm so you think its the actual flaps themselves rattling? I hadn't thought of that. I thought the sound was just a function of the fact that the flaps are open and the car is temporarily revving way higher then it usually does at idle. Once the RPMs drop back to sane levels it seems to quiet down, but that said it also does seem to me that the flaps close at some point as well.

Actually to add to that its not necessarily just a rattle that bothers me, its more the unbelievable decible level for low RPMS which really just doesn't sound so great. The car sounds great loud at higher revs, but being extra loud during cold starts at 1400/1500 RPMS isn't my favorite symphony.
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