Should be a 722.3 or a 722.4 tranny.
Overhere, in Europ, the identification of the tranny ( and the engin and all
the accessories) is marked on the inside of the backcover of the maintenance
Otherwise you have to go under the car looking to the right side of the
tranny, just behind the oilcooler return.
Good luck and take a look at:
I can highly recommand this site!