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Changing 12v Battery in BMW i3 - Fix for "Unable to Charge" & "Battery discharging while stopped" - YouTube
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BMW i3 Battery Location (standard 12 volt car battery) - Its buried passenger-side under the hood - YouTube
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Replacing 12v battery. I bought a Duragm-18L battery which doesn't have a vent hose attachment, is it necessary? : r/BMWi3
![2015 BMW i3 Rex here. 12v battery totally dead so fob not working. Unlocked car manually to manually release the frunk 2015 BMW i3 Rex here. 12v battery totally dead so fob not working. Unlocked car manually to manually release the frunk](https://f01.justanswer.com/Daniel-BMWtech/30001727-c9b4-48f6-a5f3-453e87f8a508_DWA_Siren_location.png)