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:
The concept
Pressing the Start/Stop button
switches the ignition on or off and
starts the engine.
Automatic transmission: the engine
starts if the brake is depressed
when the Start/Stop button is pre ...
Fast forward/reverse
Buttons on the CD/DVD player:
Press and hold the
button for the corresponding
direction. ...
Coupe: glass roof, electric
To prevent injuries, watch the glass roof while
closing it.
Take the remote control with you when you leave the car; otherwise, children
could operate the roof and possibly injure themselves.
...