BMW X5: Replacing Gas Cartridge For Active Head Restraint On Left Or Right Front Seat

WARNING: Read and comply with safety regulations for handling airbag modules and pyrotechnical belt tensioners.

Improper handling can lead to triggering of the pyrotechnical seat belt tensioner or side airbag, resulting in injuries.

Switch off ignition!

Necessary preliminary tasks:

• Remove head restraint.
• Remove rear panel on front seat backrest.

Disconnect plug connection on gas cartridge.

Detach retaining points (1).

Slide active head restraint carrier downwards.

Fig. 110: Identifying Retaining Points

Release spring clips (1) and (2).

Fig. 111: Identifying Spring Clips

Release screws (1).

Remove gas cartridge complete with holder (2).

Fig. 112: Identifying Gas Cartridge With Holder

Release screws (1) on left and right.

Installation:

Insert screws (1) with Loctite.

Tightening torque 52 12 03AZ. Slide top rail (3) off bottom rail (2).

Remove gas cartridge (4).

Fig. 113: Identifying Gas Cartridge And Rail

Installation:

Gas cartridge (1) is secured in holder by guide lug (2).

Fig. 114: Identifying Gas Cartridge And Guide Lug

Procedure after triggered active head restraint:

• Push head restraint back into original position.
• Insert new gas cartridge with spring clips.

NOTE: The gas cartridge may be replaced up to 5 times.

Number of triggerings are stored in the control unit.

REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT HEAD RESTRAINT (COMFORT)

Move headrest up as far as possible.

Pull out forcefully.

Installation:

Position adjustment drive briefly before upper stop.

Press in head restraint until it clicks audibly into place (on right and left).

Fig. 115: Pulling Headrest

READ NEXT: