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How to Replace the Key Battery in a Mini

Model: Mini Mini R53, R50, R52 - Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007
Part: Key

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Video tutorial

How do you replace the battery (flat, damaged) in a Mini car key? Follow these steps to perform the replacement: take your ignition key and use a screwdriver to pry between the two plastic halves until they separate; remove the flat battery with a screwdriver and take a new one of the same size and voltage.

Reassemble the two parts of the key fob cover until you hear them click into place.

Check the operation of the key fob by testing the door lock and unlock buttons.


Updated on 10 March 2026 by ScegliAuto


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by ScegliAuto

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