67 31 530 Removing and installing/replacing drive unit for backrest angle adjustment

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove driver's or passenger seat . See 52 14 001 REMOVING AND INSTALLING FRONT SEAT, DRIVER'S SIDE or 52 14 002 REMOVING AND INSTALLING FRONT SEAT, FRONT PASSENGER SIDE .
Remove rear panel on front seat backrest . See 52 14 198 REMOVING AND INSTALLING OR REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST or 52 17 205 REMOVING AND INSTALLING/REPLACING BOTH REAR PANELS ON LEFT OR RIGHT FRONT SEAT BACKREST .
Remove COVERS ON FRONT SEAT .

If necessary, disengage backrest cover (1) on left and right in lower area and lay outwards slightly.

Release screw (4).

Detach metal retaining ring (2) on left and right from drive rod (3).

Installation:

Always replace metal retaining ring (2).

Make sure metal retaining ring (2) is correctly seated.

Fig 1: Identifying Backrest Cover On Left And Right Metal, Retaining Ring And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out drive rod (1) until drive unit for backrest angle adjustment (2) is free.

Installation:

Make sure drive rod (1) is correctly seated in drive unit for backrest angle adjustment (2).

Disconnect plug connection on drive unit for backrest angle adjustment (2).

Feed drive unit for backrest angle adjustment (2) out of backrest frame (3) and remove.

Fig 2: Disconnecting Plug Connection On Drive Unit For Backrest Angle Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .

Replacement:

INITIALIZE backrest adjustment motor.