In Reply to: Will 2.3 wheels fit on my 1.9? more... posted by BillZBub on February 12, 2000 at 17:55:04:
I beleive the rear fender wells were enlarged on the 2.3? and 2.8 Z3roadsters and the Z3coupe2.8.
If you use the 8.5"x17" wheels from a M3, Z3roadster2.8 or Z3coupe2.8; they won't fit in the rear wheel wells of the Z3roadster1.9.