See also:

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Switching off
Press the button repeatedly until the LEDs go out. ...

BMW X5 xDrive35d: Maintaining the Benchmark with BMW Advanced Diesel Technology.
The BMW Advanced Diesel X5 xDrive35d was introduced to the United States as a 2009 model, and despite increased competition remains the fastest, most fuel efficient diesel-powered vehicle in its c ...