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      01-13-2013, 11:14 AM   #20
Peahi
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Drives: 2012 M3 CPE
Join Date: Jun 2011
Location: SF Bay Area

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Quote:
Originally Posted by williyam
Quote:
Originally Posted by gatorfast
Quote:
Originally Posted by williyam View Post
I made sure to take breaks and limit drives to 15-20 minutes so the alternator doesn't get too hot. How long does the battery take to fully charge?
Huh? Why would the alternator "get too hot"? And you should be taking long drives to recharge the battery, not short ones.
I was under the impression that the alternator isn't meant to charge a drained battery but rather recharge it a bit after startup and keep electronics running during drives. Leaving it at a high constant output to keep the electronics running and drained battery charging surely must have an ill effect on it?
You are gonna be one of those guys who goes to the dealer complaining about his battery and they will reply its your own fault because you don't drive your car enough and regularly.
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