> It’s a fuse plus guarantee plus liability.

If that was the issue you wouldn't be allowed to change your wheels on the side of the road. They'd be locked down to the car and require a complex software procedure to guarantee they were swapped correctly and won't endanger lives.

This is a professional shop raising the issues. They are liable for how the repair is done. BMW is just liable to lose money if people can easily fix their car at some other, cheaper, professional garage.

Yes, as changing a tire is completely the same tool-and-knowledge level than repairing a EV Battery.

If you would see how EV Clinic "repairs" Tesla batteries, you would not say they have any concern for liability.