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      01-08-2013, 09:48 PM   #1
Dark_Knight_335
Came to the N55 Darkside
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Drives: 2011 335 E93 M-Sport
Join Date: May 2010
Location: NY/NJ

iTrader: (27)

I'm fairly certain at this point my wastegate is taking a dump

What were the telltale signs for some of you?
I am getting a metallic grating whoosh sound under certain acceleration and during idle a clattering rattle.