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      03-14-2024, 01:19 PM   #28
GSB
Electronics Engineer
United_States
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Drives: 2008 335i E92 Coupe (N54 6MT)
Join Date: Dec 2012
Location: Vancouver, WA

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Quote:
Originally Posted by Tambohamilton View Post
Normal charging voltage is around 14.5v...im surprised yours varied so much, down to 13.7v...
Yes, this also seems a bit concerning. A bad battery could be overloading the alternator and regulator too.
Appreciate 0