Do it yourself
Frequently asked questions about cars and motorcycles

Replacement of the battery for the BMW Series 3 key remote.

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013
Part: Key

Let's discover in this guide the instructions that will allow us to disassemble and replace the battery of the BMW Series 3 key remote. First, let's take our remote in hand and start by removing the physical key from inside it; then, we leverage the slot created to open the remote into two parts, thus accessing the electronic board and the battery, as shown in the video. At this point, we remove and replace the battery with a new one of the correct type and with the same designation; we then reassemble the remote, inserting the key last.

Posted on 7 January 2026 by ScegliAuto

Video tutorial

Related tutorials

BMW Serie 3 (2012-2019 / F30, F31) Replacing the key battery on a BMW 3 Series. Let's see how to do the replacement. Take your remote and slide the button to release the metal key. Onc…
BMW Serie 3 (1998-2006 / E46) Need to replace the remote key for your BMW 3 Series? Let's go through the disassembly. Take your remote key and use a screwdriver to pry between the…
BMW Serie 3 (2012-2019 / F30, F31) Today's main instructions will show us how to disassemble and replace the battery of the key remote for the BMW 3 Series. First, we take our remote a…

Other guides you may be interested in

How to Replace the Remote Battery for the Volvo XC40?

In this tutorial, you will see how to replace the battery in the remote for the Volvo XC40, a very simple and quick operation. For this, you will need a replacement battery of type CR2032 and possibly a small flathead screwdriver. First, remove the front cover by pressing the button on the metal ring, then locate the second button, press it as well, and remove the opposite cover. Next, open the circular cap, take out the old battery, and insert the new one in the opposite direction. Finally, reassemble everything.

Watch the video!


by ScegliAuto

More videos