Dealer says that they have had other cases and that they clean the brakes. Then a tech said some info came in yesterday about the problem. Have made an appt in two weeks to have them looked at and will report back. There is also some kind of a recall to be done at that time too.
His: 2007 E93 335i
Hers: 2012 E84 Deep Sea Blue xDrive28i with HK, CA, PDC, Nav+Prem+Conv+Light Pkgs