Check your battery compartment for water!
I had this problem too. It effects all pre-LCI E60 models. I had my dealer seal the air vent that leads to the battery compartment with a foam that solidifies. They did it free under CPO. KNOWN ISSUE.
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From: Jacksonville, FL
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Thanks, Any further information on the air vent that was sealed. Is this the large rectangular rubber flappers on the side directly above the battery?
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