51 23... Check actuator (vehicles up to 09/2011)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

REMOVE ACTUATOR

Check actuator for damage.

Test result	Solution
Housing (1) damaged	Replace actuator
Actuator top section (2) can not be moved by hand	Replace actuator

Fig 1: Checking Actuator Damages

Courtesy of BMW OF NORTH AMERICA, INC.