52 17 027 Removing and installing/replacing pressure distributor for active passenger seat

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. 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 tasks:

Remove SEAT COVER WITH PADDING FOR PASSENGER SEAT .

Unscrew left and right nuts (1).

Remove carrier plate towards front from seat mechanism.

Fig 1: Removing Carrier Plate Towards Front From Seat Mechanism

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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

G06213170

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip pressure distributor (1) in marked area.

Installation:

Replace faulty clips.

Fig 3: Identifying Pressure Distributor

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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

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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

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Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .