52 16 405 Replacing backrest cover on front left or right seat (sports/electric)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear panel from front seat backrest,

refer to 52 15 198 .

Detach backrest cover (1) from backrest frame (2).

Fig 1: Removing Backrest Cover From Backrest Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Unhook ends of tensioning cord (1) from backrest frame (2).

Fig 2: Tensioning Cord And Backrest Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Pass tensioning cord (1) with backrest cover (3) on left/right round clip mount (2).

Hook ends of tensioning cord to backrest frame, refer to previous work step.

Fig 3: Tensioning Cord And Backrest Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation instruction for backrest width adjustment:

Lay tension cables (1...2) underneath hoses (3) and cables (4).

Fig 4: Tension Cables And Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Exposing cable for seat heating on version with seat heating only:

Removing outer cover on front seat:

Manual controls, refer to 52 13 040 .

Electrical controls, refer to 52 16 040 .

Unfasten plug connection (1).

Pull cable (2) out of holder (3).

Fig 5: Plug Connection And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Model with seat heating only:

Pull out tongue (1).

Pull cable (2) out of holder (3).

Fig 6: Pulling Cable Out Of Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Model with seat heating only:

Lift out Omega clip (1).

Pull out cable (2) from Omega clip (1).

Model with lumbar supports:

If necessary, disconnect plug connections (3) and (4).

Lift out Omega clip (1).

Fig 7: Omega Clip, Cable And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Removal or replacement of backrest frame only:

CAUTION: Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame.

Press backrest cover (1) to one side and release screw (2) on left/right.

Detach backrest frame (3) with backrest cover upwards.

Installation:

Replace screws (2) (microencapsulation).

Tightening torque: 52 10 2AZ, see 52 10 FRONT SEATS .

Fig 8: Removing Backrest Frame With Backrest Cover Upwards

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The work for "Removing complete backrest" ends here.

Removal of backrest cover with padding or replacement of backrest frame only:

Remove both guides for head restraint at front,

refer to 52 13...

Version with lumbar support only:

Disconnect hoses (2) and (3) from valve housing (1).

NOTE: If necessary, gently heat air hose when firmly seated.

Valve housing must not be unclipped: leakage. If the valve housing is unclipped, release screw and clip valve housing together.

Fig 9: Hoses And Valve Housing

Courtesy of BMW OF NORTH AMERICA, INC.

2 Hose (blue), top cushion

3 Hose (red), bottom cushion

NOTE: For purposes of clarity, shown here without valve housing.

Installation:

Observe cable guide (1) for backrest heating.

Lay air hoses (2) without kinks through hole (3).

Fig 10: Cable Guide And Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Version with lumbar support and backrest width adjustment only:

Detach hoses (1) and (2) at cutting line (heat with hot air blower if necessary).

Hose (blue) upper cushion (lumbar support)
Hose (red) lower cushion (lumbar support)
Hose (white) right cushion (backrest width adjustment)
Hose (white) left cushion (backrest width adjustment)
Motor pump unit

Fig 11: Hoses And Cutting Line

Courtesy of BMW OF NORTH AMERICA, INC.

Detach backrest cover (1) at sides towards front and remove with support upwards from backrest frame (2).

Fig 12: Removing Backrest Cover At Sides Towards Front

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The work for "Removing backrest cover with padding" ends here.

Removal of backrest cover from padding, replacing padding:

Release retainers (1) on left/right of backrest cover (2).

NOTE: Support (3) is reinforced in this area.

Note routing of tensioning strap (4).

Fig 13: Retainers, Backrest Cover And Support

Courtesy of BMW OF NORTH AMERICA, INC.

First detach clips (1).

Fold back piping (2) with backrest cover (3).

Fig 14: Clips, Backrest Cover And Back Piping

Courtesy of BMW OF NORTH AMERICA, INC.

Detach all remaining clips.

Remove backrest cover (1) from padding.

Remove all remnants of retainers from backrest cover (1) and padding.

Fig 15: Locating Backrest Cover Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Fold in new clip (2) with special tool 52 0 050.

Support
Retainer
Trim thread in support
Trim wire in backrest cover
Backrest cover

Fig 16: Support, Retainer And Backrest Cover

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The work for "Replacing padding" ends here.

Replacement of backrest cover:

Pull trim threads (1) out of backrest cover.

Cut new backrest cover to size and insert trim threads (1).

2 Seat heater cable

Fig 17: Trim Threads And Seat Heater Cable

Courtesy of BMW OF NORTH AMERICA, INC.