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      10-23-2012, 05:23 AM   #7
doughboy
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Drives: ....
Join Date: Jan 2009
Location: UK

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Jon, was this on your 640i?

If so, the battery is detective or failing, or it wasn't charged properly before you left it. No way a new car should do that.

I often don't run mine for 2 or 3 weeks, even in winter parked outside, never an issue.

Sure a charger is fine for a winter layover, but no need for a couple of weeks or so.