The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Safety belts
Seats with safety belt
The vehicle has five seats, each of which is
equipped with a safety belt.
Notes
Always make sure that safety belts are being
worn by all occupants before driving away.
...
Only refill the diesel exhaust fluid
yourself in exceptional circumstances
To be able to reach the nearest service center
with your vehicle, you may refill the diesel exhaust
fluid yourself, making sure to heed the
warning notices specified below.
Handling diesel ex ...
Requirements
▷ Equipment version with full preparation
package mobile phone.
An Emergency Request can be made, even
if no mobile phones are paired with the vehicle.
▷ BMW Assist is activated.
...
