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:

    Interior
    The 135i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...

    Entering letters and numbers
    General information 1. Turn the controller: select letters or numbers. 2. Select additional letters or numbers if needed. 3. "OK": confirm the entry. Switching between cases, letters ...

    Supplementary text messages
    Additional information on the Control Display, e.g., on the cause of a malfunction or the required action, can be called up via Check Control. The text of urgent messages is displayed automatica ...