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Frequently asked questions about cars and motorcycles

How to Change the Key Battery on a BMW

Model: BMW BMW Various
Part: Key

If you intend to replace the remote battery on a model from this German manufacturer, the description below provides various information and steps for the correct replacement. First, obtain a new battery with the same specifications and a small screwdriver. Proceed to extract the emergency key and use it or a small screwdriver to pry open the back of the remote to release the cover. Under the cover, you will find the battery, which can be removed with a pointed object and replaced with the new one, ensuring the correct polarity. Then, reattach the cover and place the emergency key back inside.

Updated on 27 July 2026 by ScegliAuto

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