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      04-17-2024, 09:43 PM   #13
M3SQRD
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Drives: E92 M3,G20 330ix,F22 240iX,F82
Join Date: Jun 2009
Location: Mid-Atlantic

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Quote:
Originally Posted by TheMidnightNarwhal View Post
Ah well to late now, did the rears before winter already. The conclusions of my searches were that they were a pretty good bang for buck aftermarket choice. I'm not rich enough to chase perfection . Andddd Rockauto didn't carry those either so didn't even have the option although I did look at them back then.

But about the rusting, the whole rotor is coated, so the unswept portion just stays coated. Granted I know the zinc coating will most likely not last the life of the rotor but like for now and a salty Canadian winter, the rears still look fine.
Maybe the front rotor will have the same radial depth as the pad.

The rust was forming on a brand new e line zinc coated rotor. R1 Concepts solution was to spray paint the part of the unswept rotor black with high-temp caliper paint. That’s a company that stands behind their product