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Your charger should be fine. How old is your battery? I have a CTEK charger and it would not go further than bulk stage due to a “dud” new battery. Exchanging it under warranty after a month solved the issue. If the battery cannot maintain a charge it may never go past the CTEK charger detections. It’s a 2021 BMW so the battery should be new. Still guessing a bad battery or a bad connection on your charging wiring.


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