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      08-22-2012, 05:20 PM   #3
jwalker87
Second Lieutenant
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Drives: 2008 e90 335i, 2011 e90 335xi
Join Date: Jul 2010
Location: Charleston, SC

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You have a good point. The fact is there's room on the driver's side, and not the passenger side. If you got a couple of cone filter to fit over there, you could see some gains, but you'd be sucking hot air as well. In my mind, probably not worth it in a real world scenario.