No clue! Sorry! You are talking 91 M103 as compared to a 84 M102, I would guess they are different. Cant tell you for sure though. I do have the manual tranny in storage still though. Not too easy to come by here in the States. One of the very few parts I kept.]
Regards,
F.J.

__________________
F.J.
81 300 SD grey/palomino 168K miles
84 190E 2.3 black/grey 64K miles (wrecked)
85 190E 2.3 maroon/palomino 92K miles
88 300E desert red/palomino 204k miles
(made to look like a '94-95)
92 400E desert taupe/creme beige 120K miles
(converted to 94-95 E420 looks)