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      04-03-2019, 08:36 AM   #101
Bozman52
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Drives: 2015 M5
Join Date: Nov 2017
Location: Cambridge

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Quote:
Originally Posted by Luky View Post
Does anybody know if the F02 760i/Alpina calipers will bolt up to the 550i with the 374x36 rotors?

I bought a set of used calipers from ebay just to get the carriers to add to my 550i calipers (was less than one carrier new), but now I am thinking of having the 760i calipers powder coated black and rebuilding them, then just swap out with my stock 817/818 calipers when I install the 374x36 rotors. The Calipers I bought are PN 34116786827 left side and PN 34116786828 right side. Can I still use the 550i pad wear sensor with the new bigger pads? Or do I also need the 760i wear sensors?

Brake lines should just bolt up? I am thinking maybe SS brake lines while I'm in there. I already bought the solid Bronze bushing/pin kit from ECS to install on the calipers too.
I don't believe that the 760 calipers will bolt up to the 550 rotors. The reason being is that the brake pads are slightly larger in the 760 calipers, and as such, the hat of the rotor of a 760 is slightly smaller to account for this. Basically, I think the pads will rub on the 550 rotors.

The 760 rotors are different part numbers: 34116789543 and 34116789544
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