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How to Reset the Battery After Replacement on a BMW i3

Model: BMW i3 MK 1 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: Battery

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Video tutorial

Let's see how to proceed after replacing the battery on the BMW i3: we are referring to the 12V battery, which requires a registration procedure to inform the intelligent management system, but is manageable by the user. The method shown in the video uses professional software: connect the professional diagnostic tool (Autel, Launch, or the original BMW ISTA software) to the OBD2 port; turn on the ignition and navigate through the software to the "battery registration" function.

Confirm the replacement, and the computer resets the previous battery counter and begins treating the new battery as such. If you prefer a more DIY-friendly method, you can use the "bimmerCode" or "BimmerLink" app with an OBD adapter.

Connect it, start the car, and open the BimmerLink app: look for the "battery registration" option and follow the instructions. The app resets the counter.

If you do not perform the registration, the onboard system will think the old battery is still present, which could lead to overcharging the new battery, shortening its lifespan.


Posted on 26 April 2026 by ScegliAuto


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by ScegliAuto

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