Mtech 2 body kit

Recently I purchase a mtech 2 body kit from garagistics, comes with bumpers side pods, side skirts and spoiler. Obviously the side skirts don’t fit because of the cabrio taller rocker panels pods fit a spoiler obviously so are the bumpers now the real question is how to mount the bumpers because I have the diving board bumper as my car is USDM 1988 325i. To emphasize what do I buy to make it so I can put the bumpers on? I don’t know what center and side mounts are required I’m honestly confused where I don’t think I should be but… thanks

Recently I purchase a mtech 2 body kit from garagistics, comes with bumpers side pods, side skirts and spoiler. Obviously the side skirts don’t fit because of the cabrio taller rocker panels pods fit a spoiler obviously so are the bumpers now the real question is how to mount the bumpers because I have the diving board bumper as my car is USDM 1988 325i. To emphasize what do I buy to make it so I can put the bumpers on? I don’t know what center and side mounts are required I’m honestly confused where I don’t think I should be but… thanks