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      05-30-2012, 07:59 PM   #17
Alarbus
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Drives: 2009 328xi
Join Date: Nov 2008
Location: Philly

Posts: 84
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It's a three stage intake manifold, which is where that probably comes from.

I daily drive my car too, but I like doing things myself. Also, it's a time/money balance, and it always helps to have more information and options.
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