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      02-03-2013, 10:29 AM   #17
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Drives: 13 335i Sedan, 11 128i Cabrio
Join Date: Apr 2010
Location: Leland, NC

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Since the PE is muffler-only, any vibrations coming from the FRONT of the car would not have anything to do with the PE, unless they completely removed the entire exhaust system to install the PE muffler, which isn't very likely.

2013 F30 335i M-Sport 8AT/MPE/MPPK, 2011 128i M-sport Cabrio 6MT/PE