See also:

Manual release
The parking brake can be released manually in the event of a power failure or electrical fault. Before releasing, secure the vehicle against rolling Before releasing the parking brake manually, ...

General information
If you are no longer able to move the roller sunblind for the rear window after having activated it a number of times in a row, the system is blocked for a limited time to prevent overheating. ...

Safety notes
Do not remove the cover The BMW CD/DVD player is a Class 1 laser product. Do not operate if the cover is damaged; otherwise, severe eye damage can result.◀ ...