52 14 060 Removing and installing / replacing valve housing for front left or right lumbar support (normal / manual)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, 2007 BMW X3, and 2006 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

52 0 050 PLIERS

Necessary preliminary tasks:

Remove rear panel on front seat

E83:

If necessary, detach tensioning cables from backrest frame (2).

Detach backrest cover (1) in direction of arrow from backrest frame (2).

Fig 1: Removing Backrest Cover From Backrest Frame

G04761209

Courtesy of BMW OF NORTH AMERICA, INC.

E63:

Detach tensioning cables (1) from backrest frame (2).

Disconnect all retainers.

Detach partial cover (2) from backrest frame.

Installation:

Lock new retainers by bending with special tool 52 0 050.

Fig 2: Removing Partial Cover

G04761210

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (5).

NOTE: If necessary, gently heat air hose when firmly seated.

Disconnect air hoses (2...4) from valve housing (1).

2 Hose (blue) top cushion

3 Hose (clear) lumbar drive

4 Hose (red) bottom cushion

Fig 3: Disconnecting Air Hoses

G04761211

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) from inside.

Remove valve housing (3) with metal nut (2).

Fig 4: Removing Valve Housing With Metal Nut

G04761212

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Pay attention to seat heating cable guide (1).

Lay air hoses (2) without kinks through hole (3).

Check function.

Fig 5: Cable Guide And Hoses

G04761213

Courtesy of BMW OF NORTH AMERICA, INC.