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      05-06-2013, 01:53 PM   #66
AxisMagi
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Drives: 2011 E90 Lemans Blue
Join Date: Jul 2012
Location: Scottsdale, AZ

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I've had the MPE for a year and love it. Recently a loud resonance drone
with a metal rattle sound started at 3000-3100 rpm.
It seems that a weld has broken loose in the baffles of the muffler.
I took it in under warranty (2 years) and BMW service department has offered to replace it
Hopefully the next one holds up better over time...

~Axis
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2011 E90 M3 ZCP Lemans Blue / ESS VT2-600 Supercharger / Stoptech Trophy BBK / M-Performance Exhaust / Ohlins Road & Track / Audiophile Sound System / Beltronics STir Plus & LI