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.

The engine starts again automatically for driving off.

    See also:

    Exterior
    Visual updates for 2012 affect the 128i more than the 135i. The 128i carries revised circular fog lamps, replacing last year's horizontal lamps. Outboard of the fog lights, vertical slats improve ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, ...

    Malfunction
    A Check Control message is displayed. The parking assistant failed. Have the system checked. ...