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How to Replace the Key Battery of a BMW X3

Model: BMW X3 MK 1, E83 - Years 2003-2010
Part: Key

This video shows how to replace the remote battery of a first-generation BMW X3. First, use a flathead screwdriver to pry open the latch located under the logo. This will allow you to lift the plastic cover of the key. Be careful when lifting the plastic cover; gently touch the chip with your hands to access the battery compartment. Now you can replace the battery with a CR2032. Reassemble all components of the key, being careful to handle the chip.

Updated on 14 June 2026 by ScegliAuto

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