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      03-04-2015, 04:26 PM   #5
brewnami
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Drives: 2009 BMW 335i M Sport Coupe
Join Date: Aug 2013
Location: Boston, MA

iTrader: (5)

I've pulled my ECU out a few times and one time I didn't seat the sub connector perfectly and all it did was crank. I knew what it was right away, but you couldn't tell just by looking at it.
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