Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Key Fob Battery for the BMW 3 Series?

Model: BMW Serie 3 E46 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Key

See other generations:
Video tutorial

To replace the key fob battery for the BMW 3 Series, use a thin object to pry open the groove that separates the two halves of the fob. By prying, you can separate the two halves and access the components inside the fob. Remove the old battery from its housing and replace it with a new one. At this point, reposition the battery and the corresponding chip inside the fob, close the shell, and check that the device functions correctly.


Updated on 12 August 2026 by ScegliAuto


Related tutorials

BMW Serie 3 (2005-2013 / E92, E90, E91) To replace the remote battery of a BMW 3 Series, first slide the key out from the top of the remote. Once the key is removed, use an object to pry op…
BMW Serie 3 (2012-2019 / F31, F30) To replace the battery of the BMW 3 Series remote control, you need to press the button on the top of the device so that the key can be removed from …
BMW Serie 3 (2012-2019 / F31, F30) Let's replace the key fob battery on the BMW 3 Series: Take your key fob and press the button to release the metal key. Once extracted, use a screwdr…

How to Remove the Toll Tag Holder from the Car Windscreen

The toll tag holder is usually attached to the car windscreen to ensure that the toll tag functions immediately when passing through barriers. However, if you decide to remove the holder, you should follow this procedure: - Insert the toll tag into the holder; - Pull the holder inwards to detach it from the windscreen; you can use a glass scraper or a stiff plastic card to assist you; After removing the holder, it is essential to remove the adhesive from the windscreen. To remove the adhesive, we recommend using a solvent-based spray that will remove the glue without clouding the area.

Watch the video!


by ScegliAuto

More videos