See also:

BMW Assist or ConnectedDrive
...

Removing and inserting
Cargo cover without partition net: Removing The cover can be removed to load bulky luggage. Reach under the cover and turn it upward, arrows. Pull the cover back horizontally. Cargo cover ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...