Rare BMW M1 Built for Land-Speed Records Was Lost for Decades, Now It's Headed to Auction

The BMW M1 is perhaps the most vaunted car ever sold by the Bavarian manufacturer. Built to satisfy homologation requirements for Group 5 racing, the M1's primary purpose was to do battle with Porsches on the racetrack while also providing a few lucky souls the privilege of driving a road-going, mid-engined supercar into their garage.