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      01-16-2022, 07:15 AM   #346
Bozman52
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Drives: 2015 M5
Join Date: Nov 2017
Location: Cambridge

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Quote:
Originally Posted by Blue Angel View Post
The tighter the clearance between wheel and rotor the easier it is to get a rock stuck in there and machine a groove in your wheel. I don't know how serious a threat that really is, but I've heard of it happening.
Yeah, this is a fair point that Flying_Squad and I discussed that he will need to just get comfortable with. However, I was thinking about functional/safety reasons why this may be a bad idea. I couldn't think of anything, as if the wheel spins freely without obstruction (which it does) then the set up should work, even if the tip of each caliper only clears the wheel by a couple mm. I thought it would be a good idea to pose this to the forum anyway, though.

I was really surprised how tight of a fit this was with a 20" wheel, as I can stick my flat hand between the tip of the X5M caliper and the inside of my 343M wheel.
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