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Originally Posted by BMWGirlFL
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Thank you for your reply and input.
But no, is not responsive. We are talking about charging the 12 V AGM (main) trunk battery, not about the small 48 V engine compartment one; that one charges pretty fast when vehicle runs.
No, this does not address the charging issue that we encounter when we are trying to use a charger via under the hood connection (as per manual), which consist in a electric motor noise followed by a click in the 48V battery area -> which resets the charger to start again from zero. Even with the 48 V battery disconnected, the behaviour is the same.
Either way, even your instructions show how overly complicated everything is for not much gain…
And BMW still didn’t come up with a proper procedure. My mechanic treid two other new vehicles form the dealer lot and they all behave the same with three different chargers; except his shop professional one which is huge and no regular guy owns…
If you can find the answer to the 12V battery charging procedure (beside the book that doesn’t help), I will be interested.
Thank you again!