BMW has not explicitly said that the Skytop is based on the BMW M8 Convertible, but the engine says as much. It's a 4.4-liter mill generating the same 617 horsepower (625 PS) as the M8 Competition, and power goes to all four wheels through an eight-speed Steptronic automatic transmission. BMW claims a 0-62 mph time of roughly 3.3 seconds.

BMW has announced it will put the Skytop concept it unveiled this spring into production. Only 50 examples of the open-top two-seater will be built.

At the time it was unveiled, however, BMW said the Skytop Concept would not be made into a production car due to costs. But due to incessant demand from customers with deep pockets, the automaker eventually changed their minds and said the Skytop would be turned into a production car.

BMW has just revived automotive nostalgia with the announcement that the stunning Skytop concept car, a real beauty based on the M8 Convertible, will go into a very limited production. With a price tag rumored to be well in excess of $500,