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      10-23-2012, 01:31 PM   #16
Jon D

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Drives: F12 640i
Join Date: Sep 2009
Location: Scotland

Posts: 2,575
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Originally Posted by foxy-stoat View Post
What does the volt meter say in the hidden menu while driving, number 9 I think?

Would be a clue to see if its charging as it should or if the battery is failing.
Volt meter in hidden menu? Don't think I have that option on my F12 640i and, before you ask what I'm doing here on the 3 series forum , I find I get far more technical response from my fellow Brits on E90 Post - not so many of us over on the 6'er forum