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How to Change the Battery of a BMW 3 Series F30 Remote

Model: BMW Serie 3 F30, F31 - Years 2012-2019
Part: Key

This brief video tutorial shows the steps needed to replace the battery (CR2450N) of a BMW 3 Series F30 remote, produced from 2012 to 2019. First, extract the physical emergency key from the remote by pressing the release button. Next, use the extracted key to pry open the back cover of the remote as shown in the video, then remove it. Once the back cover is removed, you will see the old battery that needs to be replaced, so replace it with a new one and finally close the remote.

Updated on 13 July 2026 by ScegliAuto

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