Had a watch of this and was amazed at the amount of people required to build the car as opposed to robots. If those jigs and presses and casts were still in existence what a nice little business it would be building replicas from scratch.
Although there is a Norwegian company building all the E30 M3 specific panels in metal to a very high standard and you can get carbon panels for nearly all of the car aswell. S14 ngines are another story you cant get hold of many of those these days.
Video is in german but that doesn't matter.