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How to Replace the Key Battery of the BMW Z4

Model: BMW Z4 E85, E86 - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008
Part: Key

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Video tutorial

If you need to replace the battery in the remote key of your vehicle, you can find instructions on how to proceed in the description below and also check the video. First, extract the emergency key and get a small screwdriver to pry and lift the battery cover.

Then, remove the old battery and replace it with a new CR 2032 model, making sure to position the positive terminal facing up. Finally, close the cover and reinsert the emergency key.


Updated on 9 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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