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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 475 (Seats - Repair) >> Front Seat, Normal, Electric >> 52 14 392 Removing and installing/replacing front left or right crash-active headrest

52 14 392 Removing and installing/replacing front left or right crash-active headrest

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: Comply with SAFETY REGULATIONS for handling components with gas generators.
Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.

Switch off the ignition!

Necessary preliminary tasks: 

Starting situation: 

Head restraint is in the crash position after being triggered.

A triggered head restraint can be recognized by the padded section which has moved upwards.

Fig 1: Pulling Head Restraint
G08508749Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (1) and disconnect.

Feed out wiring harness from head restraint height adjustment and foam material.

Fig 2: Locating Head Restraint Wiring Harness
G08508750Courtesy of BMW OF NORTH AMERICA, INC.

Lever out retaining clips (1)

Fig 3: Identifying Retaining Clips
G08508751Courtesy of BMW OF NORTH AMERICA, INC.

On vehicles from version 04/2010: 

Loosen the retaining screw (1) from the head restraint (2).

Tightening torque 52 10 12AZ .

Fig 4: Identifying Head Restraint And Retaining Screw
G08508752Courtesy of BMW OF NORTH AMERICA, INC.

Lift out head restraint.

IMPORTANT: During head restraint removal the guide sleeves are involuntary disengaged.
The bent linkage of the head restraint causes the guide sleeves also to be pulled out in some cases.
Prior to installation of the head restraint, make sure you check the guide sleeves for whether all retaining lugs are correctly locked.
Fig 5: Lifting Head Restraint
G08508753Courtesy of BMW OF NORTH AMERICA, INC.