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, ...

Tire inflation pressures at max. speeds above 100 mph/160 km/h
Speeds above 100 mph/160 km/h In order to drive at maximum speeds in excess of 100 mph/160 km/h, please observe, and, if necessary, adjust tire pressures for speeds exceeding 100 mph/160 km/h ...

Vehicle storage
If your vehicle is to be decommissioned for longer than three months, your BMW center or a workshop that operates according to BMW specifications will be glad to advise you. ...