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Replacement of the battery for the BMW Series 3 key remote.

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

Let's discover in this guide the instructions that will allow us to disassemble and replace the battery of the BMW Series 3 key remote. First, let's take our remote in hand and start by removing the physical key from inside it; then, we leverage the slot created to open the remote into two parts, thus accessing the electronic board and the battery, as shown in the video. At this point, we remove and replace the battery with a new one of the correct type and with the same designation; we then reassemble the remote, inserting the key last.

Posted on 7 January 2026 by ScegliAuto

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