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      08-15-2019, 09:41 AM   #55
Route 16
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Drives: '10 E90 M3
Join Date: Sep 2011
Location: Dark Side of the Moon

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Quote:
Originally Posted by JP10 View Post
Alternator was the issue. It was only working part of the time. Havent had an issue since replacing it. I did replace my battery in the process, but following that I still got the battery discharge message, alternator was definitely the culprit. DIY to replace is relatively easy.

If you're having a similar issue I would first monitor the voltage while driving this will give you an idea of if it is charging or not. I believe Carly has a monitoring option for alternator discharge. Mine would display 0 when not functioning properly.
Before replacing the alternator, did you have to recharge your battery every so often? Or leave the car alone for days/weeks on end and it wouldn't start until it was recharged?
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