52 17 886 

Warning!

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

Incorrect handling may result in triggering of the crash-active headrest and thereby cause injury.

Switch off the ignition!

Necessary preliminary tasks:

Adjust head restraint towards top to maximum extent

Disconnect battery negative cable

Important!

Renewal of pyrotechnics may be carried out up to 5 times.

Triggering frequency is denoted on the sticker on the head restraint carrier.

Labels are available as spare parts.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Starting situation:

Head restraint is in the crash position after activation.

Note:

Firing unit can only be removed in the triggered state.

The complete head restraint must be replaced in the event of a crash-active headrest fault message and non-activated igniter.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Removing cover:

Insert flat plastic wedge in marked area.

Unlock cover towards bottom and simultaneously press towards rear.

Repeat procedure on other side.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Press cover towards top to unlock latch mechanism in marked area.

Simultaneously pull cover towards rear.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Put down cover towards rear.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Removing pyrotechnics:

Press together mounting (1) for pyrotechnics at tabs.

Feed out pyrotechnics.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Removing pyroactivator:

Pull pyroactivator (2) out of mount (1) for pyrotechnics.

Unlock plug connection (3) and disconnect.

Important!

Dispose of plastic element and pyroactivator.

Procedure for installing pyrotechnics:

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Bringing head restraint together (multifunction seat):

Pull apart spring catches and push together head restraint.

Maintain position.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Locking release plate:

Hold pushed-together head restraint in position and push release plate (1) upwards up to limit position.

Release plate (1) must audibly snap into place.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Checking head restraint lock:

Check end position of release plate (1).

All four springs (2) must be engaged.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Replacing pyrotechnics:

Connect connector (1) to new pyroactivator (2) and lock.

Clip pyroactivator (2) into new mount (3).

Installing pyrotechnics:

Press together mounting for pyrotechnics at tabs.

Insert mounting for pyrotechnics into release plate and tilt in upward direction.

Mounting for pyrotechnics must audibly snap into place.

Note:

Check seating of retaining lugs in mounting.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Laying wiring harness:

Secure wiring harness in support section with strain relief.

Replacing gas cartridge for crash-active headrest on left or right BMW 5 F01

Mounting cover:

Clip cover onto support section.

Cover must audibly snap into place.