How To Remove Bmw Key Battery. Turn the BMW remote over. If your key fob is fine but you need to replace your BMW key fob battery youll need a CR2032 battery.
You can replace the battery on your BMW 3 Series yourself instead of taking it to a mechanic saving time and money. Remove battery bracket 2. Press the startstop button again to confirm activation was successful.
Then your key battery is a standard thin button battery- replacable through the back flapdoor.
To begin the BMW E46 battery replacement use a 10mm socket wrench to remove the two battery terminals starting with the negative first. If the keyhole isnt visible on your vehicles door youll find. BMW designed the key fob to be the only tool youll need to remove the battery. This video includes ALL BMW key types and explains which batteries can be replaced and how t.
