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

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work:

Remove SEAT COVER WITH UPHOLSTERY FOR DRIVER'S SEAT

Unscrew left and right nuts (1).

Remove carrier plate towards front from seat mechanism.

Fig 1: Removing Carrier Plate 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 Seat Control Unit Plug Connection

G06213170

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip pressure distributor (1) in marked area.

Installation note:

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: Removing 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: Locating Backrest Frame Quick Connector

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Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE