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Frequently asked questions about cars and motorcycles

Key Battery Replacement for BMW X3

Model: BMW X3 MK 2, F25 - Years: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Part: Key

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Video tutorial

Press the button on the back of the remote to extract the manual key from the remote itself. Now insert a small screwdriver or any sharp tool into the hole left by the manual key and detach the upper cover of the housing.

At this point, you will find the sought-after battery, which is a CR2450 and can be easily found at a hardware store or a large supermarket. Pry it out from underneath and insert the new one you purchased, then reassemble everything.

The same key is used for BMW X5 vehicles.


Updated on 3 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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