Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the BMW X3 Remote Battery?

Model: BMW X3 MK 2, F25 - Years 2010-2017
Part: Key

Replacing the battery in the BMW X3 F25 remote is a very simple task. In this video tutorial, you can see how to proceed; you only need a replacement battery, model CR2450. First, press the small top button and pull out the metal emergency key. Using the key, unlock the back cover of the remote by inserting it into the slot shown in the video. Once unlocked, you can completely remove it by hand. At this point, the battery is free to be replaced; remember to install it with the correct polarity, meaning the positive side facing you.

Updated on 28 April 2026 by ScegliAuto

Video tutorial

Related tutorials

BMW X3 (2024-2026 / G45) If you own the new 2025 BMW X3 and want to learn how to replace the battery inside the key fob, just read this guide and follow the described steps. …
BMW X3 (2010-2017 / MK 2, F25) Let's discover in this short and simple guide how to disassemble and replace the battery of the remote key on the BMW X3 F25, as well as on the X5 an…
BMW X3 (2003-2010 / MK 1, E83) In this video tutorial, you will learn how to disassemble and replace the battery of the remote key on the BMW X3 E83, first generation, as well as o…

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