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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    Releasing
    With the ignition switched on: Automatic transmission: Press the switch while the brake is pressed or transmission position P is engaged. The LED and indicator lamp go out. The parking bra ...

    Jump starting
    Notes If the battery is discharged, an engine can be started using the battery of another vehicle and two jumper cables. Only use jumper cables with fully insulated clamp handles. To prevent p ...

    Controls
    Buttons at a glance 1 System on/off, interrupt 2 Resume speed 3 Store speed* 4 Store, maintain/change speed Switching on Press the button on the steering wheel. The marking in the speedom ...