For those of us in the U.S. with a useless 3G telematics module, what's the best way to disconnect it? No need to keep it in the list of vampire 12 V loads. For those of us who don't drive much, reducing the vampire loads would keep the 12 V battery at a higher average charge level.
The easiest way would be to remove its fuse. However, if there any other loads on that fuse, they would be disabled as well which probably would not be desirable.
The telematics module could be removed. Think of how much lighter an i3 would be
However, that might result in a diagnostic trouble code (DTC) being set which might result in a warning message being displayed.
[Bought 25 April 2022] 2019 BMW i3 Imperial Blue Metallic, Giga World, Tech + Driving Assist, Heat Pump, 428 Wheels
[Sold 15 June 2022] 2014 BMW i3 Arravani Grey, Giga World, Tech + Driving Assist, Parking Assist, DC Fast Charging