See also:

Adjusting
Vehicle Equipment ...

For the 530i, 535i, 550i, 525d, 530d and 535d: check oil level
The concept The oil level is monitored electronically and displayed on the Control Display. Requirements ▷ The engine must be running and warm after the vehicle has been driven for at lea ...

Maximum cooling
Press the button. The system is set to the lowest temperature, maximum air volume and recirculatedair mode. Air flows out of the vents for the upper body region. Open them for this purpose. ...