Cars never fare well when they burn up in a fire. However since the i3 uses very little steel, and has a CFRP passenger compartment covered with thermoplastic exterior body panels, it basically melts away in a fire. Here's some pictures of what happens to an i3 involved in a fire:
http://bmwi3.blogspot.com/2015/12/bmw-i ... -fire.html
Note: the fire had nothing to due with the car or charging equipment. It was a house fire that was started by an unfortunate accident.