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How to Replace the SOS System Battery in a BMW X3?

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

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Video tutorial

In this tutorial, you will see how to replace the SOS system battery in a BMW X3. This is a simple task, but it requires good manual skills. First, ensure that the key is not inserted.

Then, fold down the rear seats and remove the covers from the center pillars. Next, remove the upper grab handles along with their bases.

Open the trunk and, pulling it down, detach the headliner from the roof. At this point, locate the module of the system in question, remove the old battery, insert the replacement, and reassemble everything.


Updated on 6 November 2026 by ScegliAuto


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