Necessary preliminary tasks

Version with Autobeam: 

• Remove INTERIOR REAR-VIEW MIRROR

Detach two-part mirror base cover (1) by pressing from below.

Feed out two-part mirror base cover (1) and remove.

Fig 1: Detaching Two-Part Mirror Base Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (3).

Release locks (1) in direction of arrow and remove rain/light sensor (2) from optical element.

Installation note: 

Do not damage optical element covered by rain/light sensor (2).

Initialize RAIN/LIGHT SENSOR 

Fig 2: Releasing Locks In Direction Of Arrow

Courtesy of BMW OF NORTH AMERICA, INC.