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How to replace the battery of the BMW X3 key

Model: BMW X3 MK 3, G01 - Years 2017-2024
Part: Key

In the following guide you will find the description of all the steps you need to follow if you want to replace the battery of your BMW X3 key yourself. First of all, buy a new CR2450 battery and make sure you have a flat head screwdriver available. After completing these simple operations, take the car remote and then remove the physical emergency key, then remove the rear protective cover and locate the exhausted battery. Finally, remove the old battery and insert the new one to complete the procedure correctly.

Posted on 19 October 2025 by ScegliAuto

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