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      07-28-2012, 03:53 PM   #21
335xiRT1
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Drives: 2007 335i
Join Date: Oct 2008
Location: long island

iTrader: (14)

I've heard negative things about the stock TB connection and how that can leak during higher boost and that a silicone TB connection is a better option.
Stett
Ets
Vishnu
All use silicone TB connections