K+N bolt on filter - Cav/Manta/BMW

I'm after a bolt on K+N filter for a Mk1 Cavalier 1.6 , according to K+N it also fits all these....

1981 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1981 OPEL MANTA 1.6L L4 CARB - All

1981 OPEL ASCONA 1.6L CARB - All

1980 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1980 OPEL MANTA 1.6L L4 CARB - All

1980 OPEL ASCONA 1.6L CARB - All

1980 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1980 BMW 318 1.8L L4 CARB - All

1980 BMW 316 1.6L L4 CARB - All

1979 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1979 OPEL MANTA 1.6L L4 CARB - All

1979 OPEL ASCONA 1.6L CARB - All

1979 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1979 BMW 318 1.8L L4 CARB - All

1979 BMW 316 1.6L L4 CARB - All

1978 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1978 OPEL MANTA 1.6L L4 CARB - All

1978 OPEL ASCONA 1.6L CARB - All

1978 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1978 BMW 318 1.8L L4 CARB - All

1978 BMW 316 1.6L L4 CARB - All

1977 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1977 OPEL MANTA 1.6L L4 CARB - All

1977 OPEL ASCONA 1.6L CARB - All

1977 FORD GRANADA 1.7L L4 CARB - Solex

1977 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1977 BMW 318 1.8L L4 CARB - All

1977 BMW 316 1.6L L4 CARB - All

1976 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1976 OPEL MANTA 1.6L L4 CARB - All

1976 OPEL ASCONA 1.6L CARB - All

1976 FORD GRANADA 1.7L L4 CARB - Solex

1976 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1976 BMW 318 1.8L L4 CARB - All

1976 BMW 316 1.6L L4 CARB - All

1975 VAUXHALL CAVALIER 1.6L CARB - L, GL, GLS, mk1 RWD

1975 OPEL MANTA 1.6L L4 CARB - All

1975 OPEL ASCONA 1.6L CARB - All

1975 FORD GRANADA 1.7L L4 CARB - Solex

1975 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

1975 BMW 318 1.8L L4 CARB - All

1975 BMW 316 1.6L L4 CARB - All

1974 BMW 518 1.8L L4 CARB - Solex 32/32DIDTA

Please PM me if you can help

Ta