Originally posted by lagnaf
What about the real thing?
Now I realy dont know how to turn the disk 
If u refuse to believe on Mercedes, you won't believe KHM either
Seriously, I never try to install it the other way around so I couldn't give any comments which directions will be able clean itself, simply, because I tought the AMG brake is the one that should throw all dirts toward front of the car/engine which makes you able to clean them out after.