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      03-06-2013, 10:35 AM   #868
Maxpnc
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Canada
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Drives: 2016 F30 340i
Join Date: Mar 2013
Location: Ontario

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Quote:
Originally Posted by Raspartan View Post
Manual says it runs for half an hour, but no word about battery levels. I'll bet it watches for charge level though.
Car alternator self-excites according to amp needs, it will keep the battery at 100% charged and supply just the right amount of electricity for all vehicle functions. So without your vehicle sitting idle for months, you can safely assume that the battery is at 100%.

-ECE
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