E46Fanatics - View Single Post - Non-start after rough running in rain
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Old 12-06-2012, 07:43 AM   #2
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Join Date: Jul 2008
Location: USA
Posts: 6,192
My Ride: 2001 330Ci
Hmmmm. A wet ground wouldn't cause these problems. However, a bad ground certainly would.

Your car's problems seem to be very general in nature. You stated that the car cranked very strongly. That would seem to rule out a battery problem. During the rain storm did you drive your car through any puddles? Could the alternator have ingested some water?

Try this: disconnect the ground lead from the battery disconnect they positively from the battery short them together for 10 to 15 minutes reverse the steps. By the way this is a BMW approved process.
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