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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 384 (Seats - Repair) >> Front Seat, Comfort >> 52 17 027 Removing and installing/replacing pressure distributor for active passenger seat

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

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

Unscrew left and right nuts (1).

Remove carrier plate towards front from seat mechanism.

Fig 1: Removing Carrier Plate From Seat Mechanism
G06213169Courtesy 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
G06213170Courtesy of BMW OF NORTH AMERICA, INC.

Unclip pressure distributor (1) in marked area.

Installation: 

Replace faulty clips.

Fig 3: Identifying Pressure Distributor
G06213171Courtesy 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
G06213172Courtesy 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
G06213173Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
  • Carry out operational check.