51 23 400 Removing And Installing/Replacing Left Or Right Actuator (Active Pedestrian Protection)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Adhere to SAFETY PRECAUTIONS 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 work:

Disconnect negative battery cable. Remove COWL PANEL COVER .

Lever out clip (1).

Release screws (2) and remove cavity sealing (3).

Fig 1: Identifying Clip, Screws, And Cavity Sealing

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) and disconnect.

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

Tightening torque: 7, 6 Nm

Fig 2: Identifying Actuator, Bolt, And Connector

Courtesy of BMW OF NORTH AMERICA, INC.