See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without requiring brake application, the vehicle moves at slightly more than twice wa ...

For 520i and 528i: Check oil level
The concept The oil level is monitored electronically during driving and shown on the Control Display. If the oil level reaches the minimum level, a check control message is displayed. Displayi ...

Tire size
Example: 255/55 R 19 107 V 255: nominal width in mm 55: aspect ratio in % R: radial tire code 19: rim diameter in inches 107: load rating, not for ZR tires V: speed rating, before the R on ZR ti ...