E30 Zone

hi i am needing abit of help, i am looking at a e3 cab but its a auto and i am after a manual, does anyone know ho hard or easy this is to do and what parts would need to be changed, it is a 325,
many thanks

look at this link, but i'd say buy a manual to start with

http://www.e30zone.net/modules.php?name ... ht=#481167

cheers