(Can also be used in E30, E34, E24, E23 and Z3 rear subframes. However you may have to swap the rear cover, input and/or output flanges)
To Sep ’82 :
Started with old typ, without LSD option.
from Sep ’82 to Sep ’84 :
from Sep ’84 :
Comes from the factory after considerable facelift. Already with left position of the rear rubber mounting.
Here’s a picture together facelift type & old type: