I think it's only 2 or 3 screws from the top holding each latch(or lock) in place. I don't remember exactly what I did with mine other than lube, bending/adjusting, and I had to shorten the intermediate cable housing(side cutters) and all was good. No parts needed but I remember thinking that I if anything I should get an intermediate cable. All the parts are not at all expensive if you need to replace.

__________________
1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)