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How to reprogram the key after changing the battery on a BMW 3 Series

Model: BMW Serie 3 E46 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Part: Key

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Video tutorial

In this video, we see how to reprogram the key of a BMW 3 Series E46 version, after the battery has been changed or disconnected. We need to insert it into the ignition and make it do the first click by putting it in position "1", in order to turn on the instrument panel, and then very quickly, within just a second, we need to turn it to turn off the panel, remove it and press the lock button three times, then the unlock button three times, and then the lock button and the central button simultaneously.

It is important to perform this operation very quickly, as shown by the youtuber. We may need to do it several times before reprogramming it.


Posted on 23 May 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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