51 16 045 Removing and installing/replacing retaining ring on left or right exterior mirror (from 07/12)

Necessary preliminary work 

• Remove DRIVE UNIT FOR EXTERIOR MIRROR
• Remove PROTECTIVE CAP 

Version with lane change warning: 

Unlock plug connection (1) for optical signal transmitter and disconnect.

Fig 1: Identifying Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1 and 2).

Installation note: 

Note installation position of screws (1 and 2).

• Screws (1) - metric thread
• Screw (2) non-metric thread

Make sure retaining ring (3) is correctly seated (see arrows in illustration).

Fig 2: Identifying Screws And Retaining Ring
Courtesy of BMW OF NORTH AMERICA, INC.

Release latch mechanism (1) and feed out retaining ring (2) towards rear.

Fig 3: Identifying Latch Mechanism And Retaining Ring

Courtesy of BMW OF NORTH AMERICA, INC.