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How to repair the SOS calling system of BMW 3 Series

Model: BMW Serie 3 F31, F30 - Years: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Checks and maintenance

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Video tutorial

In this video, we will see how to repair the SOS-call system of a BMW 3 Series F31 version car: the module is located in the rear part of the car's ceiling. It is not necessary to remove the entire headliner, just slightly move it aside enough to insert your hand to extract the module, which is quite thin.

Once extracted, we need to remove the battery, which we can find for replacement, for example on Amazon with the code B0BYDB7531 at a price of 29.27 euros, with free delivery. Just replace it inside the module, which must be put back in place under the headliner.


Posted on 8 May 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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