See also:

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

Securing cargo
Securing cargo After loading, secure the ski bag and its contents. Tighten the retaining strap on the tensioning buckle for this purpose. Securing the ski bag Secure the ski bag in this way. ...

Tire inflation pressure values over 100 mph/160 km/h
528i Without high-speed tuning feature 550i Without high-speed tuning feature With high-speed tuning feature 528i xDrive Without high-speed tuning feature With high-speed tuning ...