52 25 018 Removing and installing/replacing four-bar lever on left or right rear seat backrest

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove rear HEAD RESTRAINT
Move backrest as far forwards as possible

NOTE: For purposes of clarity, the following operations are shown in the released state.

Detach cover (1) from Velcro fastener.

Pull cover (1) upwards out of guide from four-bar lever.

Fig 1: Pulling Cover Upwards Out Of Guide From Four-Bar Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure cover guide is correctly seated on four-bar lever.

Fig 2: Identifying Cover Guide On Four-Bar Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Installation note:

Replace nuts (1).

Tightening torque 52 25 04AZ .

Fig 3: Identifying Rear Seat Backrest Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove four-bar lever (2).

Tightening torque 52 25 06AZ .

Remove CONTROL UNIT .

Remove PUMP .

Fig 4: Identifying Screws And Four-Bar Lever

Courtesy of BMW OF NORTH AMERICA, INC.