4 bolt Z/r32 brakes

ok one of my calipers are leaking in the back .( rear) now… i do have to replace both. . now would z brakes or r32 brakes fit with the stock wheels the 15 inch ( se rims ) not the 16 the 15" (4 bolt) and do i have to replace my rotor as well …

seeeeeeeeeeeeeeeeeeeeeeeeeerrrrrrrrrrrrrrrrrccccccccccchhhhhhhhh

come on dude…

like seriously…

GT