K&N 85-97 BMW 750/1100 K Models Replacement Air FilterK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. This Part Fits: Year Make Model Submodel 1989 1993 BMW K1 Base 1983 1986 BMW K100 Base 1987 1992 BMW K100LT Base 1989 1992 BMW K100LT ABS Base 1983 1988