In its quest to build the ultimate driving machines, BMW's M cars stand at the top of the company's lineup. Taking the base model, BMW further refines the chassis and engine to produce some of the best road-going automobiles ever made. The M line started in 1978 with the M1. Made to race against German rival Porsche, the M1 was a mid-engined two-seater built to compete in the FIA's Group 4 series, and 400 cars were required to homologation purposes. Only 399 street-legal M1s were made, making it one of the rarest BMWs ever. This 1980 M1 has had four owners in its 38-year history and had a $100,000 restoration by Formula GT in Germany three years ago. Presented in immaculate condition, this M1 is is easily one of the best M1s on the market, and one of the best cars BMW has made in its vaunted history.