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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 476 (Seats - Repair) >> Front Seat, Normal, Manual >> 52 13 040 Removing and installing/replacing outer cover on left or right front seat backrest (normal/manual)

52 13 040 Removing and installing/replacing outer cover on left or right front seat backrest (normal/manual)

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Special tools required: 

Necessary preliminary tasks: 

NOTE: Picture shows installed seat by way of example.

Raise lock (3) and lever out handle

  1. for backrest angle adjustment and
  2. for seat height adjustment with special tool 00 9 317 .
    Fig 1: Removing Handle Lock
    G09851282Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 52 10 06AZ .

NOTE: Trim (2) is engaged in marked area.

Press lock (3) and pull trim (2) off seat mechanism.

If necessary, lever out carefully with special tool 00 9 317 .

Fig 2: Pulling Seat Mechanism Trim
G04727018Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, unlock plug connection (1) for backrest width adjustment and disconnect.

If necessary, unlock plug connection (2) for lumbar support and disconnect.

Fig 3: Identifying Plug Connection For Lumbar Support
G05779471Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

If necessary, remove backrest width adjustment switch and lumbar support switch.

Installation: 

Make sure backrest width adjustment and lumbar support switches are correctly engaged.