52 17 130 Replacing lumbar support set on left

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Remove seat cover with upholstery. See REPLACING SEAT COVER FOR DRIVER'S SEAT or REPLACING SEAT COVER FOR PASSENGER FRONT SEAT .
Partially remove backrest cover. See BACKREST COVER FOR DRIVER'S SEAT or BACKREST COVER FOR FRONT PASSENGER SEAT .

NOTE: Pressure distributor and pneumatic pockets form a single unit and can only be replaced as a single component.

Lever out clips (2).

Thread out valve holder (1).

Installation note:

Replace faulty clips.

Fig 1: Identifying Holder And Clips

G10047593

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Open quick connectors (2) and remove pressure lines.

Fig 2: Identifying Plug Connections And Quick Connectors

G10047594

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip complete holder (1) for pressure lines from seat mechanism.

Installation note:

Replace faulty clips.

Fig 3: Identifying Holder And Clips

G10047595

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Partially remove belt deflection to simplify removal.

Fig 4: Identifying Screws

G10047596

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip pneumatic pockets (1) with supports on left and right from flexmat.

Feed pneumatic pockets (1) through flexmat towards bottom.

Fig 5: Removing Pneumatic Pockets

G06213172

Courtesy of BMW OF NORTH AMERICA, INC.

Open quick connectors (1) and remove pressure line.

Thread out hose through backrest frame.

Fig 6: Identifying Quick Connectors

G10047598

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE