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How to Change the Telematic System Battery on a BMW

Model: BMW BMW Various
Part: Battery

Video tutorial

In this video, you can see how to change the battery of the telematic system in a BMW vehicle. The telematic system allows you to call for SOS assistance in case of difficulty and is powered by a small battery, which is shown in the video.

Like all batteries, it is subject to depletion, and when it does, it generates errors indicating that it needs to be changed. It is usually located at the rear of the vehicle's roof lining, beneath the cover of the third brake light.

Here, under a plastic cover, you will find this small component. You can find it on AliExpress for £31.49, with free delivery using code 1005006073018923.


Updated on 29 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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