On the initial install, I'd use a rubber mallet to tap the caliper while bleeding which helps to get the air out of the system.
If you don't read the instructions...you probably won't realize that you NEED to wash the rotors with soap and water before installation.
2015 F34 328iX GT Glacier Silver
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red