Did you also replace the brake servo unit?
That is also bespoke Z4m
Quote:
Originally Posted by dre99gsx
The other unknown is this Dorman MC M630897 I purchased (not the BMW OEM unit).
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Do you think Dorman made it's own casting?
Lots of times (with the european aftermarket) the parts are OEM but the BMW (and maybe ATE) markings are either filed away or in the mold an insert is placed blanking out BMW or OEM logos.
OEM is ATE afaik.
I wonder if it's beneficial for me to place a Z4m MC.
I have the 135i brembo set.
On the 135i the MC is the same for normal (54mm, so same as z4) and Brembo calipers.
Quote:
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MK60 E46M3 2003-2007 MC with 25.54 front port / 22.2mm rear port
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Quote:
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Z4M MC (same as E46 M3) master ports are 25.54mm fr / 20.65mm r
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So is the z4m MC rear 22.2mm or 20.65mm?