Fantastic Rare 1984 BMW M6! 5 Speed! This is an extremely rare car. BMW Motorsport introduced M 635 CSi in Europe at the Frankfort Auto Show in 1983. It is essentially an E24 powered by the powerplant of the BMW M1 - the M88 (286 PS (210 kW; 282 hp)). Most of the cars were equipped with special met...