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      08-30-2011, 08:36 AM   #6
gthal
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Drives: 2018 340i xDrive
Join Date: Jul 2007
Location: Canada

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Don't drive at 2,000 RPM The only time the M3 sees that number is as it passes it. I think what you are hearing is normal, expected and not dissimilar to the non-performance exhaust.
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2018 340i | Mineral Gray | Current DD | C8 mid-engine Corvette to come next year
2016 M2 | Long Beach Blue | 6MT
2015 M4 | Austin Yellow | DCT
2014 Corvette Stingray | Z51 | Torch Red | 7MT
2012 MB C63AMG | 2011 E92 M3 | 2010 E92 M3 | 1996 E36 M3 (track car)