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:

    System limits
    Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...

    At a glance
    ...

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...