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      10-12-2012, 04:25 AM   #3
BMW_Belgier
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Drives: E92 335xi n55
Join Date: May 2012
Location: Switzerland

Posts: 1,469
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No performance gain... Even worse at high temp and high use. Better would be a closed intake (OEM is good enough for starters)

Intake sound is something some people love, some people hate...

But you can all read that when you use
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BEFORE: 130i N52 (2006-2011)
NOW: 335xi N55 (2011- )
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