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      02-25-2013, 07:55 PM   #10
doug_999
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Drives: 2011 1M/2021 992/2023 X3
Join Date: Mar 2008
Location: Chicago, IL

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My 2012 X6 (should be same exhaust) has an incredible start rumble/sound. But it dies down after a minute or two. Only re-appears if you get on the car. I suspect your neighbors cars have transitioned into that "semi-silent" mode when they are driving past you and they are not getting on it. There is a post somewhere here about a guy with a 50i who upgraded to the M and thought the exhaust sounded much more tame in the M. The exhaust is the #1 reason to get the V8 on this beast.
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2011 1M, Black loaded sans sat radio
2021 911 C4S Gentian Blue, manual
2023 X3 M40i - loaded sans Park Assist
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