Twin-scroll turbocharging

The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spiral-shaped paths to the turbine wheel. This reduces exhaust back-pressure at low engine rpm, allowing the energy of the exhaust gas pulses to be utilised as efficiently as possible. The result is instant throttle response and fast-revving performance which BMW drivers can instantly translate into driving pleasure.

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    When the vehicle is parked
    If you still want to view the time, external temperature and odometer reading briefly after the remote control has been taken out of the ignition lock: Press button 1 in the instrument cluster. ...

    Loss of the remote controls
    Lost remote controls can be blocked by your service center. ...

    Switching on/off
    Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The system can issue warnings at speeds above approx. 30 mph/50 km/h. The state is stored for the remote contro ...