Twin-scroll turbocharging

BMW 3 Series / Overview / 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:

    Selecting a station
    1. "Radio". 2. "FM" or "AM". 3. Select the desired station. All saved stations are stored for the remote control currently in use. ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, e ...

    Deleting contacts
    Only contacts that are stored in the vehicle are deleted. The contacts on the mobile phone cannot be deleted. 1. "Office" 2. "Contacts" 3. Highlight the contact. 4. Open &q ...