Loss of the remote controls
Lost remote controls can be blocked by your service center.
See also:
5 Series Gran Turismo
For 2010, BMW added a hatchback version of its rear-wheel-drive 5 Series,
dubbed the 5 Series Gran Turismo, starting with a 550i "GT" powered by the same
400-hp, twin-turbo V-8 as the 55 ...
General information
Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for example,
cannot operate the power windows and injure
themselves.
...
Rear doors
Push the locking lever on the rear doors down.
The door can now be opened from the outside
only. ...