This tutorial is perfect for anyone looking to replace their old, worn-out key fob and restore it to like-new condition In this video, you'll learn: 1. How to change the battery of your BMW key. By following these steps, you can replace the battery in your BMW diamond key for the E46 3-series models.
This process may seem daunting, but with patience and the right tools, you can do it yourself and save money on a replacement key fob. Put the working key in the ignition. Turn to position 2 for like 1 second then back and remove the key.
Press and hold the "unlock" button then press the "lock" button 3 times, you should hear all the locks cycle through. Now take the non working key and press and hold the "unlock" button then press the "lock" button 3 times. Let's discover the instructions that will show us how to disassemble and replace the battery of the BMW 3 Series key remote.
First, take our remote and start levering on the side of the shell, as well as on the central slit; in this way we will open the remote in two parts, accessing the electronic board and the battery, as shown in the video. Bimmerforums is the preferred online BMW Forum and community for BMW owners. At Bimmerforums, you will find technical how.
The keyless entry battery is soldered in place and the key handle is glued shut. The easy solution is to replace the key. The link below shows information for do-it-yourself key battery replacement.
DIY: E46 Key Battery Replacement (bimmerforums.com). Key battery replacement & reprogramming. Permanently serviceable key fob BMW e46 e38 e39 e53 Good Times (1974-1979) After 50 Years, What Happened to The Cast Now 2025!
Step-by-step guide on how to replace the battery in your E46 key fob, ensuring your key is working properly and you can continue using it with ease. This video will show you how to change a battery in a bmw key. We hope you find the Replace BMW Key Fob Battery the Easy Way guide helpful.
Check these troubleshooting and repair guides for more help on your BMW.