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How to Replace the Key Fob Battery for BMW E90

Model: BMW Serie 3 E91, E90, E92 - Years 2005-2013
Part: Key

To replace the battery in the BMW E90 key fob, follow this procedure: First, remove the physical key. After removing the key, use it to pry open the battery cover. Once the cover is open, remove the old battery, insert the new one, and then close the cover and reinsert the key into its slot. At this point, the battery will be new and functional, allowing you to use the key without issues. The procedure is simple and takes little time to complete.

Updated on 6 June 2026 by ScegliAuto

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