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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 988 (Seats - Repair - F31) >> Front Seat, Normal, Electric >> 52 14 405 Replacing backrest cover for left or right front seat (normal/electrical)

52 14 405 Replacing backrest cover for left or right front seat (normal/electrical)

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Special tools required: 

Necessary preliminary work: 

IMPORTANT: Risk of damage on sharp-edged seat mechanism.
Guide all cables carefully through seat and backrest mechanism.
Make sure cable is routed without kinks and tension.
Make sure plug connections are correctly locked.
Make sure connectors are correctly seated in latch mechanisms.

Version with seat heating only: 

Unlock plug connection (1) for seat heating and disconnect.

Detach cable strap.

Detach seat heater cable (2) from cable clips on seat mechanism.

Installation note: 

Plug connection is encoded to prevent incorrect connection.

Replace cable strap.

Fig 1: Plug Connection And Wiring Harness
G09851295Courtesy of BMW OF NORTH AMERICA, INC.

Lift welt out of backrest frame.

Detach backrest cover at bottom from the metal tabs in the marked area.

Carefully slide bracing cloth with foam through backrest gap and seat structure.

If applicable, route cable carefully through seat and backrest mechanics as the edges of the frame may be sharp.

Installation note: 

Slide foam completely through backrest gap and seat structure.

Make sure foam and bracing cloth are correctly fitted.

Fig 2: Detaching Backrest Cover At Bottom From Metal Tabs
G10097593Courtesy of BMW OF NORTH AMERICA, INC.

Pull off backrest cover (1) with upholstery sideways and towards top from backrest frame.

Fig 3: Removing Backrest Cover
G09851301Courtesy of BMW OF NORTH AMERICA, INC.

Release all clamps in marked area.

Remove backrest cover from padding.

NOTE: Remove all remnants of clamps from backrest cover and upholstery.
Fig 4: Marks On Backrest Cover
G10047105Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Bend new clamp (2) with special tool 52 0 050.

  1. Upholstery
  2. Clamp
  3. Trim wire in upholstery
  4. Trim wire in backrest cover
  5. Backrest cover
    Fig 5: Bending Retainer Using Special Tool (52 0 050)
    G09851303Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only: 

Pull trim wires out of backrest cover.

Cut new backrest cover to size and insert trim wires.

Fig 6: Pulling Trim Wires Out Of Backrest Cover
G10047107Courtesy of BMW OF NORTH AMERICA, INC.