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      06-30-2012, 12:52 PM   #13
mapleridge
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Drives: E90 N52 AT
Join Date: Apr 2011
Location: Vancouver, BC

iTrader: (4)

Best bet if you get physical inspections along with obd testing is to get a flange set up put in place of the cats so you can swap them back and forth yourself. A little more expensive up front but you will end up paying down the line if you have visual inspection to deal with.