what is the bore for e23 1985 735i?

http://www.beyernwheels.com/multi.php

want the type multi but dont understand the "bore" part

its the diameter of the center hub!

E23 hub bore should be 72.6mm. Only E39 has oddball 74.1mm hub bore, all other Bimmers are 72.6mm (maybe Z8 has 74.1mm too? I forget...)

k thanx guys