52 17 026 Removing and installing/replacing pressure distributor for active seat

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This removing/installing/replacing procedure applies to "Comfort" seat version.

Necessary preliminary work:

Remove SEAT COVER FOR DRIVER'S SEAT (COMFORT)

Unscrew left and right nuts (1).

Remove carrier plate towards front from seat mechanism.

Fig 1: Removing Carrier Plate Towards Front From Seat Mechanism

G06895599

Courtesy of BMW OF NORTH AMERICA, INC.

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

Unlock plug connection (1) on drive and disconnect.

Unlock plug connection (2) on control unit and disconnect.

Fig 2: Identifying Drive Plug Connection And Control Unit Plug Connection

G06895600

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip pressure distributor (1) in marked area.

Installation note:

Replace faulty clips.

Fig 3: Identifying Pressure Distributor

G06895601

Courtesy of BMW OF NORTH AMERICA, INC.

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

Feed pneumatic pockets (1) through flex mat towards bottom.

Fig 4: Identifying Pneumatic Pockets

G06895602

Courtesy of BMW OF NORTH AMERICA, INC.

Open quick connector (1).

Feed out hose through fleece mat and backrest frame.

Fig 5: Identifying Quick Connector

G06895603

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE (FOR SEAT REPAIRS) .