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      07-21-2010, 06:14 PM   #13
YouaintBeam'n
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Drives: 2007 335i
Join Date: Jul 2010
Location: Northern VA

iTrader: (0)

I believe you have 2 cabin air filters on your vehicle they should be located on either side of the firewall. They are fairly easy to replace just a couple of screws holding the covers on.