52 14 050 Replacing lumbar support on front left or right seat (newer version)

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Necessary preliminary tasks:

Remove REAR PANEL on front seat backrest

Detach backrest cover (1) in the marked area.

Fig 1: Identifying Backrest Cover

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Courtesy of BMW OF NORTH AMERICA, INC.

Detach welt from backrest cover (1).

Fig 2: Detaching Seat Welt From Backrest Cover

G09879983

Courtesy of BMW OF NORTH AMERICA, INC.

Press latch mechanism and slide valve body (1) in direction of arrow.

Installation note:

Ensure correct fit of valve body (1) in backrest frame.

Fig 3: Pressing Latch Mechanism

G09879984

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Release clamps (2).

Disengage drive unit (3) and valve body (4).

Fig 4: Identifying Drive Unit, Plug Connection, Clamps And Valve Body

G09879985

Courtesy of BMW OF NORTH AMERICA, INC.

Detach tabs (1) of lumbar support (2).

Carefully feed out lumbar support (2) in downward direction between spring wire and backrest padding.

Remove lumbar support (2) complete with drive unit and valve body.

Installation note:

Check lumbar support (2) for damage.

Ensure correct fit of tabs (1) on marked spring wires.

Air hoses must not be kinked.

Fig 5: Locating Lumbar Support Tabs

G09879986

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out a FUNCTIONAL CHECK .