67 31 540 Removing and installing/replacing drive unit for head restraint adjustment (comfort seat)

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Necessary preliminary tasks:

Remove FRONT SEAT .
Remove BOTH REAR PANELS ON FRONT SEAT BACKREST .

Pull backrest cover (1) in direction of arrow over metal lugs (2) and detach.

If necessary, detach backrest cover (1) on both sides from backrest frame.

Fig 1: Detaching Backrest Cover On Both Sides From Backrest Frame

G03262594

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, illustration shows backrest cover removed.

Release screw connections (1) on AKS carrier.

Fig 2: Releasing Screw Connections On AKS Carrier

G03262595

Courtesy of BMW OF NORTH AMERICA, INC.

Move AKS carrier (1) in direction of arrow.

Unhook backrest cover (2) on backrest frame (3).

Fig 3: Unhooking Backrest Cover On Backrest Frame

G03262596

Courtesy of BMW OF NORTH AMERICA, INC.

Pull drive shaft (1) in direction of arrow out of drive shaft receptacle (2).

Installation:

Make sure drive shaft (1) is correctly seated in receptacle (2).

Disconnect plug connection (3).

Remove circlip (4).

Feed out drive unit for backrest head adjustment (5) and remove.

Fig 4: Removing Drive Unit For Backrest Head Adjustment

G03262597

Courtesy of BMW OF NORTH AMERICA, INC.

Removal and installation only:

Do not turn spindle (1) in order not to change measurement "A".

Replacement only:

Adopt measurement "A" of removed drive unit for backrest head adjustment (2). If necessary, adjust measurement "A" by turning spindle (1).

Fig 5: Identifying Measurement "A"

G03262598

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

INITIALIZE drive unit for backrest head adjustment.