Just installed my h&r springs today at BMW dealership. I am really happy with them. I will post pics this weekend. I also have vossen cv3s. Sick set up no rubbing. I am running falken 285 30 20 on 10.5 in the rear and 245 35 20 on 9 in the front. Really tight fit very minimum gap and no rubbing.
2014 BMW M6 Gran Coupe F06/M Performance Black Grille/20% Tint/ Exec Package/ Driver Assist Plus/ Black on Black
Sold-BMW 550i F10/Dinan S3/ Eisenmann Race Exhaust/ Vossen CV3s