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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 479 (Collision - Body Panel Repair (F01, F02)) >> Front Lid >> 51 23 400 Removing And Installing/Replacing Left Or Right Actuator (Active Pedestrian Protection), Vehicles From 09/2011

51 23 400 Removing And Installing/Replacing Left Or Right Actuator (Active Pedestrian Protection), Vehicles From 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.
WARNING: Adhere to the following SAFETY INFORMATION so as to avoid a danger of injury by the actuator.
The BATTERY NEGATIVE LEAD must be clamped off prior to work on the actuator or engine compartment lid!
Do not exert any force on the actuator.
Incorrect handling may result in triggering of the actuator and thereby cause serious injury.

Necessary preliminary tasks: 

Disconnect BATTERY EARTH LEAD

Unfasten plug connection (1) and disconnect.

Release bolt (2) and remove actuator (3).

Tightening torque 41 61 8AZ.

Comply with notes regarding handling active PEDESTRIAN PROTECTION .

Fig 1: Identifying Plug Connection, Actuator And Mounting Bolt
G08505718Courtesy of BMW OF NORTH AMERICA, INC.