thanks SOKOLOff
i think that the technitions had checked these parts .
but i like to tell you that i checked my father car which is the same model and i find that there is nearly the same difference.
do you know how i can get the size of the shims for my model with the options mentioned previouslly.
i have the CDs for w123 and it specify the size of the shims but the technitions say another sizes. The CDs are for american models and i dont no whether there is a difference between europian models and american models or not.