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:

    Sport program and manual mode M/S
    Activating the sport program Push the selector lever to the left out of transmission position D. DS is displayed in the instrument cluster. This position is recommended for a performance- ori ...

    Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models
    Please consult your Service and Warranty Information Booklet for US models and Warranty and Service Guide Booklet for Canadian models for additional information on service requirements. Mainten ...

    Starting playback
    1. Push the CD/DVD into the drive with the labeled side facing upward. The CD/DVD is automatically pulled in. ▷ Playback begins automatically after a few seconds. ▷ Otherwise: sele ...