Your transmission looks to be either a zf 310 ( from an early s50) or a later zf320. Both are excellent 5 speed transmissions to fit the m/s 50 line of engines. If you have the zf 320, make sure that you replace the shift detent springs and balls before you install it. There are kits online
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.