I live in France and I have a 325i phase 1 from 1987.
6 years ago, I renovated 323i sports seats from 1984, which were in poor condition:
from

to

The seats move slightly back and forth, there is a little play in the rails. It's unpleasant...
These are seats from 1984, with the first version of rails (they are thin). On the contrary, seats from September 1985 have large, sturdy rails.
A priori it is not possible to swap the 2 types of rails, in any case I did not succeed.
Do you have a solution?


