Important parts of the engine compartment

1.  Expansion tank for coolant,

1.  Expansion tank for coolant,
2.  Washer fluid filler neck for headlamp cleaning system and window washer system,
3.  Jump-starting connection,
4.  Fluid filler neck for engine oil, refer to Adding engine oil, page 219

    See also:

    Switching the system on/off
    Switching off At the lowest fan speed, press the left side of the button on the driver's side. Switching on Press any button. ...

    Adjusting
    Vehicle Equipment ...

    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 ...