Quote:
Originally Posted by susuki1220
I think i just solved my own problem.
The m4 f/r rotors can't fit on the 328 or 428. caliper should be ok.
correct me if i'm wrong
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The F8x and F3x use different
carriers (item #2):
The F8x calipers will fit the F3x (they are the same) but the F3x
shorter carrier will not clear the bigger F8x rotors by 5mm or so. And that is assuming that the rotor hat offset between rotors remain the same.