See also:

Fuel specifications
Never use fuels labeled at the fuel pump as metal-containing. Do not use leaded gasoline or gasoline with metal-containing additives such as manganese or iron; doing so can cause permanent damag ...

For X3 xDrive28i: Oil levelcheck
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 ...

The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the car is an extension of the driver. It's typically experienced in cars whose various systems and characteristics are well- ...