After a power failure during the opening or closing process, the glass sunroof can only be operated to a limited extent.
Initializing the system The system can be initialized when the vehicle is stationary and the engine is running.
During the initialization, the glass sunroof closes without jam protection.
Keep the closing path clear
Monitor closing and make sure that the closing path of the glass sunroof is clear; otherwise, injuries may result.
Press the reel up and hold it
until
the initialization is complete:
BMW X3 Service & Repair Manual > Body special tools: Device
Device AM
NOTE: For punching in the 17-digit vehicle identification number
Consisting of:
1 = Device
NOTE:
(Guide without punch numbers) Series: all except E38, E39 Only available
as part of complete set
2 = Punch element
NOTE:
(Individual punch numbers) Specification n ...