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Old 11-07-2012, 02:30 PM   #4
roadtrip1098
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Join Date: Aug 2011
Location: Winslow, ME
Posts: 356
My Ride: 04 M3 SMG LSB
Only offering a best guess here, but there are a couple of connectors on the underside that aren't protected all that well, something could have just gotten wet. If you washed the engine bay at all, the possibilities are endless.
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