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      01-04-2013, 07:16 PM   #30
WhiteTgr135i
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Drives: 2012 BMW 135i
Join Date: Jul 2011
Location: City of Rapture

iTrader: (5)

Yes, the diffuser can be purchased on the link below.

http://www.ebay.com/itm/BMW-E82-1-Se...c22116&vxp=mtr

And you maintain the stock n55 mids. The quad exhaust is a axle back setup. The secondary pipe that leads to the right side of the exhaust goes behind the diffuser, and is held in place by a hangar.