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      05-23-2014, 02:30 AM   #228
Neill222
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Drives: 2007 328xi
Join Date: Feb 2014
Location: freeway

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I did it. Better throttle response and better mpg. An absolute must do mod. Seriously. The charcoal filter is ridiculously restrictive. It's like a paper filter but very restrictive. Get rid of it.
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