Quote:
Originally Posted by JackDesmarais
Hello everyone I have a 2014 BMW 335XI (F30 , N55 ) For the past month if my car is off for over an hour it is bone dead, no lights, can't unlock etc. I've had the car on a charger overnight multiple times and it will start up in the morning, but once again if it sits at all, its bone dead once again. I've had my battery and alternator both checked and both of them check out to be in good condition, My negative and positive terminals are both secured on their posts and I make sure I leave nothing on that could be draining any power. Any ideas for what the issue could be would be greatly appreciated!
Thanks:
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Did you ever figure this problem out?