96 and later they are NOT the same side to side. A common way to increase negative camber is to swap the hats from left to right and vice versa.
YOU can check the part numbers on RealOEM.com
If the hats fit with the arrows pointing forward but inwards / \ they are probably swapped.
'95 Alpine M3 LTW
'00 Dakar M Roadster
'02 Topaz M3
Red/White SRF #4 (Chassis 561)