Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Change the Key Fob Battery for the BMW 3 Series and Other Models

Model: BMW Serie 3 F30, F31 - Years 2012-2019
Part: Key

To change the battery in a BMW 3 Series key fob or other models with that fob, start by removing the metal key by pressing the button on the bottom of the back (where the buttons are not located). After removing the metal key, lift the cover using a small screwdriver or your hands. To remove the battery, use a small screwdriver to pry it upward. Take the new battery out of the package and insert it in place of the old battery, then reattach the cover and reinsert the metal key. Finally, test the new battery.

Updated on 11 May 2026 by ScegliAuto

Video tutorial

Related tutorials

How to Program the Key Fob for the BMW 3 Series
How to Program the Key Fob for the BMW 3 Series
BMW Serie 3 (2005-2013 / E91, E90, E92) This guide explains the procedure needed to program the key fob and ignition key for the BMW 3 Series, as well as for all other models from the manuf…
How to Replace the BMW E90 Remote Key Battery
How to Replace the BMW E90 Remote Key Battery
BMW Serie 3 (2005-2013 / E91, E90, E92) Replacing the battery (model CR2032) of the remote key for the BMW 3 Series E90 (this is done the same way on many other BMW models) is extremely sim…
How to Change the Battery in a BMW 3 Series Key Fob
How to Change the Battery in a BMW 3 Series Key Fob
BMW Serie 3 (1998-2006 / E46) Change the battery in the key fob? Disassemble the BMW key. Take your key fob and use a screwdriver to pry between the two parts of the plastic key c…

Other guides you may be interested in

How to reset the tyre pressure warning light on the Suzuki Jimny?

To reset the tyre pressure warning light on the Suzuki Jimny, first inflate the tyres to the pressure value indicated on the corresponding sticker: this is located at the bottom of the driver's door pillar. Once the tyres are inflated, insert the ignition key and turn on the instrument panel: select the screen that indicates the tyre pressures, checking that the values change. After a few seconds, the tyre pressure warning light will automatically turn off.

Watch the video!


by ScegliAuto

More videos