M6 Bumpers - 1989 World market Bumpers onto a 1986 M6

I have a 1986 M6 with the original bumpers-

I also have 1989 E24 World Market " stock bumpers "

can the 1989 bumpers go directly onto the 1986 M6 with out any modifications or other special parts ?

thank you,

M6 Bumpers - 1989 World market Bumpers onto a 1986 M6