See also:

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 ...

Fuel filler flap
Opening 1.  Open the fuel filler flap. To do so, lightly press the rear edge. 2.  Turn the fuel cap counterclockwise. 3.  Place the fuel cap in the bracket attached to the fuel fille ...

Tachometer
Always avoid engine speeds in the red warning field. In this range, the fuel supply is interrupted to protect the engine. ...