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:
Notes
Switch off the engine before refueling
Always switch off the engine before refueling;
otherwise, fuel cannot be added to the
tank and a message will be displayed.◀
Observe when handlin ...
Malfunction
A Check Control message is displayed.
On the Control Display, the areas in front of and
behind the vehicle are shaded. PDC has failed.
Have the system checked.
To ensure full operability:
...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
The PDC is shown on the Control Display.
Switch on the backup camera via the iDrive. ...