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How to replace the battery of the BMW X3 key

Model: BMW X3 MK 3, G01 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

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Video tutorial

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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The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

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by ScegliAuto

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