Thread: 2020 M340i with 600 miles - exhaust got quieter?
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      02-16-2020, 11:56 AM   #56
Stlnation
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Drives: 2018 x3 m40i
Join Date: Feb 2020
Location: Oklahoma City

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Originally Posted by mrkrad View Post
Quote:
Originally Posted by Stlnation View Post
Same problem on my 2018 m40i. Anyone figure this out?
Get the exhaust hotter go for a 1 hour drive on the freeway!
I just went on a 4 hour road trip in it about a week ago
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