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      11-24-2012, 03:19 PM   #1
M3Now!
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Drives: 09 E93, Jerez Black
Join Date: Sep 2011
Location: Texas

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Cleaning cross-drilled rotors?

I couldn't find this in a search, and it's an odd question: the cross-drilled openings in my rotors are full of brake pad dust - some are completely closed, others are half-full. Is this normal?

I understand the purpose of cross-drilling, and this doesn't seem optimal? I cleaned them out, just wondering if a) this is normal and b) requires maintenance?

Thanks!
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2009 E93 M3 - it's, um, pretty fun