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      12-18-2012, 11:23 PM   #19
WhiteTgr135i
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Drives: 2012 BMW 135i
Join Date: Jul 2011
Location: City of Rapture

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No, you would have to modify the left side and move it more towards the center to make a quad setup work if you were to buy this diffuser. There are some vendors on eBay that sell quad diffusers that are more of a M5 style exhaust, so you don't have to move the left side over.
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