Opening
During opening, the trunk lid pivots back and up.
Ensure that adequate clearance is available before opening.
Opening from the outside
▷ Press the button on the trunk lid.
▷ 
Press the button on the remote
control for approx. 1 second.
▷ With Comfort Access the trunk lid opens with no-touch activation.
Opening from the inside
Push the button in the driver's
footwell.
If the vehicle is stationary, the trunk lid opens if it is not locked.
See also:
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
...
Requirements
▷ Subscription to the optional Convenience
Plan.
▷ The date setting on the Control Display is
current.
▷ The vehicle is located within wireless network
coverage. ...
Integrated universal remotecontrol
The concept
The integrated universal remote control can operate
up to 3 functions of remote-controlled systems
such as garage door drives or lighting systems.
The integrated universal remote con ...