65 75 055 Removing and installing/replacing emergency power siren with tilt sensor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove rear bumper trim carrier . See 51 12 156 REMOVING AND INSTALLING REAR BUMPER TRIM .

Release nut (1) and remove emergency power siren (2).

Fig 1: Identifying Emergency Power Siren And Nut

Courtesy of BMW OF NORTH AMERICA, INC.