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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    Display
    The following is displayed in the instrument cluster. Speed limit detection ▷ Current speed limit. ▷ No speed limit - for the German autobahn. ▷ Speed limit detection is no ...

    Indicator/warning lamps
    The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning and light up temporarily when the engine is start ...

    Notes
    Displaying notes 1. "Office" 2. "Notes" All notes are displayed. Displaying the note 1. Select the desired note. Displaying the note 2. Scroll in the note if necessary: ...