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How to Replace the Key Fob Battery for the BMW 5 Series?

Model: BMW Serie 5 F11, F10 - Years 2010-2017
Part: Key

Replacing the key fob battery for the BMW 5 Series, as shown in this tutorial, is an extremely simple and quick operation. For this, you will need a small flathead screwdriver and a replacement CR2450 battery. First, extract the emergency metal key by pressing the designated button, then insert the screwdriver into the indicated slot, pry it open, and unlock the rear cover. Once done, remove the old battery, insert the replacement while respecting the polarity, and reassemble everything.

Updated on 1 July 2026 by ScegliAuto

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