See also:

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 ...

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 ...

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...