How to Disconnect the 12-Volt Battery on a 2014-2021 BMW i3

About this video

In this video, we’ll show you how to safely disconnect the 12-volt battery on a 2014-2021 BMW i3. This guide features a 2016 BMW i3 with a Range Extender (REx) engine. Disconnecting the battery is an essential step before performing maintenance or repairs on your vehicle’s electrical system.

Common symptoms that may lead you to disconnect the 12-volt battery include malfunctioning electronics, warning lights on the dashboard, or issues with the vehicle starting. Properly disconnecting the battery can help reset electronic systems and is a crucial step when replacing components such as the rear lights, power steering pump, or any electronic modules.

For more informative tutorials and car maintenance tips, visit YOUCANIC.com, your go-to destination for DIY automotive repairs and advice.