I have a 2001 A6 2.8 Quatro - I frequently notice a hot buring smell coming from the front wheels, especially after a long drive. The other day I pulled up to a traffic light and saw smoke coming from the right front wheel. I had all brakes replaced by the dealer 10-12 months ago...any one else have this experience?

 

Have that looked at immediately; it could be a seized caliper or maybe something worse. Any thumping happening while driving?

 

found it was oil leak, CAM gasket, drippin gon exhast