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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    Drivetrains
    The 528i, 535i and 550i are rated at 240, 300 and 400 horsepower, respectively. The turbocharged version of the 3.0-liter inline-six-cylinder in the 535i makes the 550i superfluous, rocketing the ...

    Navigation data
    Information on the navigation data 1. "Navigation" 2. "Options" Open. 3. "Navigation system version": information on the data version is displayed. Updating the nav ...

    Notes
    One person per safety belt Never allow more than one person to wear a single safety belt. Never allow infants or small children to ride on a passenger's lap.◀ Putting on the belt Lay ...