I have a 2012 BMW X5 and the rims are always black and dirty. I took it into my local dealer on Dixie Road in Mississauga and was told there is nothing can be done as the brake pads are made to release the black power and the rims will always be nasty. Also I have a Samsung Note Edge phone that I just brouht and was also told that it can note be paired with the bluetooth as BMW doesnt support or have the updated system to make it work. Why pay $90, 000 for a vehicle that your phone can not pair to and have to drive around with fifty rims. Help... Janet P