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How to Replace the Key Fob Battery of a BMW

Model: BMW Serie 3 E91, E92, E90 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Key

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Video tutorial

How do you change the battery of the key fob for your BMW? Let's see in detail how to do it. Take your key fob and remove the metal key included. Once you have removed the metal key, insert it into the slot of the plastic key fob and twist it. When the cover lifts away from the rest of the fob, you can pull it off. Use a small screwdriver to remove the worn battery and take a new one of the same size to replace it. Reattach the cover on your key fob by pressing on the key case until you hear it click into place.

Check that the key functions properly.


Updated on 26 February 2026 by ScegliAuto


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The Volkswagen Touran has two fuse boxes. The first fuse box is located inside the cabin, behind the driver's side dashboard panel. The second fuse box is located under the bonnet, near the battery. Both fuse box covers have stickers indicating the amperage and the names of the fuses contained within. Today, you will learn how to remove the wiper fuse. Open the fuse box and use needle-nose pliers to remove fuse number 1, which is a 20 Amp green fuse. Insert a new fuse of the same type and close the fuse box.

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by ScegliAuto

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