Thread: 2021 M340i vs 2020 M340i Exhaust Comparison Shows 2021 Sounds Different
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      11-02-2020, 07:10 AM   #8
TruthOne
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Drives: 2021 M340i
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Quote:
Originally Posted by wtwo3 View Post
Some comments are saying that pops will begin to be heard after the car is broken in... is this verified?
I don't even see how that's possible?
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