BMW introduced their 02 Series of cars in 1966. Based on the BMW New Class, these new smaller cars were powered by a variety of inline 4 engines, the same range available to New Class cars. The main variants of the 02 Series are the 1602 (1967-1975), the 2002 (1968-1976), the 1802 (1972-1975), and the 1502 (1975-1977).