How to Replace the Remote Battery for BMW 3 Series?

1 Answers
Cruz
07/30/25 3:17am
BMW 3 Series remote battery replacement method: Remove the integrated key from the remote; Place the integrated key under the battery compartment cover and use it to lift the cover; Find a sharp object to press and pry out the battery; Insert the new battery and reattach the battery compartment cover. When the key battery is low, the vehicle will alert the owner in the following ways: Shortened remote control range or occasional malfunction; If the dashboard displays a "key not detected" message, it indicates the battery is depleted. If the message disappears after a while and the car operates normally, it means the key is currently in a low-power state and may run out of power at any time.
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