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I just put on new brake discs and pads all the way around my 1997 850 R. After about one day of slow driving and attempted "breaking-in" of the pads, the rear discs vibrate something awfull! I mean big vibrations felt throughout the entire car! They are brembo discs with EBC "greenstuff" pads. I've changed my share of brakes and never experienced this before. Is this normal? The pads have a "break-in" coating on them, will this stop? Did I miss something on the install? Did I install the wrong type of pads or rotors? Any help would be greatly appreciated.<br>Michael
 

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Did you clean the faces of the hubs before fitting the discs? Best way is to check the run out with a DTI (dial test indicator) on each of the rear discs to see if they are bolted on flush with the mating face of the hub - there may have been some rust or swarf between the faces?
 
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