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.

    See also:

    Adjusting the volume
    Adjusting the volume Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the mic ...

    Selecting a station manually
    Station selection via the frequency. 1. "Radio" 2. "FM" or "AM" 3. "Manual" 4. To select the frequency: turn the controller. Selecting a station manually ...

    The concept
    The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location. Using the iDrive during a trip To avoid becoming distracted and posi ...