Ten years ago, the 1981 BMW M1 coming up for sale with RM Sotheby’s in a few weeks’ time might have cost you around $150,000. When the car crosses the block in Monterey on August 19 it’s ...

The camouflaged BMW Vision Driving Experience (VDX) technology demonstrator appeared low-slung and menacing. I had to contort myself awkwardly to get in and squeeze into its carbon-fiber bucket seats.