Here’s an auction any collector in the market for something unusual will want to keep their eye on. A 1990 BMW Z1 roadster with sliding doors will be auctioned off by Artcurial later this week in ...

Finding a box-fresh, zero-mile example of a modern classic like the BMW Z1 sounds like a dream come true. But what about about finding one that is so unused it has FEWER than zero miles? It sounds ...

Not only was the Z1 the debut Z Series roadster, it was also the first, and up until now only, BMW to come with sliding doors. At some point during the car’s half-decade-long development, someone at ...