Quote:
Originally Posted by dadysev
It happened to me about a 2 weeks ago. It turned out to be the ground cable from body to engine block. They do rot, and its a common issue with simmers. i measured it with my meter and i was shocked! Really high resistance!
I'm not sure where it was sourcing the ground from for the starter and the alternator being the heavy load culprits.
Added a 1 gauge ground cable and charging was back as well as health starts!
Good luck!
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Can you tell us where this ground cable is exactly? I have a 2011 X5 E70 with similar wacky behavior.
TIA,
Greg