Safety

Active head restraints, two-row side curtain airbags, front airbags and side-impact airbags for the front seats are all standard. So is an electronic stability system, antilock brakes and traction control. Like most convertibles, the 135i convertible does not have the curtain airbags; pop-up roll bars deploy behind the rear seats in the event of a rollover.

    See also:

    Brake assistant
    When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This s ...

    Calibrating the digital compass
    The digital compass must be calibrated in the following situations: ▷ An incorrect compass direction is shown. The cardinal direction displayed does not change even if the direction of tra ...

    The concept
    This system projects important information into the driver's field of vision, e.g., the speed. In this way, the driver can get information without averting his or her eyes from the road. ...