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How to Replace the Key Battery in a BMW 3 Series

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

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Video tutorial

In today's video, see how to replace the key battery in a BMW 3 Series from the mid-2010s. This tutorial also applies to other models from the Bavarian manufacturer with the same device. Start by extracting the metal key from its slot inside the key fob. At this point, open the casing and remove the key battery.

Replace it with a similar type unit, then finish the job by testing the device for proper functionality. Finally, reassemble the remote in its slot.

As you can see, this is a simple operation.


Updated on 27 June 2026 by ScegliAuto


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How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

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