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      02-11-2013, 10:01 PM   #16
SfValley335i
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Afghanistan
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Drives: Current:135i Sold:335i sedan
Join Date: Mar 2007
Location: City of Angels

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If your looking to upgrade any aftermarket fmic will do. If you're looking to break deep into the 400whp then get a 7" or larger FMIC. If you're looking to break hp records, then get helix.