Basic switch unit roof.BMW parts catalog ETK contains detailed information on spare parts for cars manufactured by BMW since 1928.

Note repair instructions REP-61 31 544 ----------------------------------------
Important: ----------------------------------------
Part replacement within the warranty and good will:
The defective part must be returned within the warranty and good will as a complete part.
If this requirement is not observed, the BMW Group reserves the right to reject the warranty and good will application.
A new roof switch cluster trim must be used for the roof switch cluster repair kit. ----------------------------------------
For vehicles with
Alarm system(S302ANo)
Panorama glass roof(S402ANo)
Glass roof, electrical(S403ANo)
Ambient interior light(S4URANo)
Passenger airbag deactivation(S5DAANo)
Preparation, mobile phone, Business(S633ANo)
Preparation f mobile phone cpl. USA/CDN(S639ANo)
Teleservices(S6AEANo)
Statutory emergency call(S6AFANo)
Connection, Bluetooth and USB devices(S6NKANo)
Connection Bluetooth + USB devices incl.(S6NLANo)