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Emergency...need help! (archive)

[ Follow Ups ] [ E30 M3 Message Board ] [ Msg. Board FAQ ]

Posted by Denis on January 25, 2002 at 12:24:59:

I've got a little problem here. What's the hub size on E30 M3(as well as E34, E36 and E46) I always thought it's 72.5mm, but according to Brembo and 3 other catalogs it's 79mm! Now, I grabbed E30 rotor, E34, E36 and E46 rotors and measured centerbores...they're all 78.5mm! Then I measured H&R's 72.5, just like their catalog says. Then I called HRE and BBS...their wheels have 32.5mm centerbore. How here is my confusion: Brake rotors are not hubscentric? Makes no sense to me....

You know me...:)

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