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:

    Under the Hood
    The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch automatic. Either car hits 60 mph in abo ...

    BMW Maintenance System
    The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

    Oil types for refilling
    Notes No oil additives Oil additives may lead to engine damage.◀ Viscosity grades for engine oils When selecting an engine oil, ensure that the engine oil belongs to one of the viscosity ...