51 16 045 Removing and installing or replacing retaining ring on left or right exterior mirror

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove MIRROR GLASS .
Remove MIRROR ADJUSTMENT DRIVE .

Release screws (1).

Carefully bend exterior mirror protective cap outwards and carefully unclip retaining ring (2).

Latch mechanisms on retaining ring (2) and retaining lugs on protective cap must not be damaged in the process.

Fig 1: Identifying Retaining Ring And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Version with lane change warning:

Also unlock and disconnect plug connection (1) for optical signal transmitter (2).

Remove retaining ring (3).

Fig 2: Identifying Retaining Ring, Plug Connection And Optical Signal Transmitter

Courtesy of BMW OF NORTH AMERICA, INC.