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How to Replace the Key Battery in a BMW 1 Series E87

Model: BMW Serie 1 E81, E82, MK 1, E87 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Key

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Video tutorial

In this video, you will see the procedure for replacing the key battery in a BMW 1 Series E87. There are 2 different procedures. As the first step, use a flat screwdriver or a file to lever on the slot at the top of the cover.

Now you can proceed to replace the battery. Alternatively, you can buy a new cover and break the old key to recover the chip section to insert into the new one. However, to proceed, it will be necessary to follow a soldering procedure for some points on the chip.


Updated on 12 June 2026 by ScegliAuto


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