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Home >> BMW >> 2002 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Seats - Repair Instructions - 4.4L) >> Front Seat, Normal, Manual >> 52 14 060 Removing and installing/replacing valve housing for front lumbar support (normal/electric) on left or right

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

WARNING: This page is about a different variant/trim than selected.

Carry out following tasks beforehand: 

Detach backrest cover (1) from backrest frame (2).

Fig 1: Detaching Backrest Cover From Backrest Frame
G03253205Courtesy of BMW OF NORTH AMERICA, INC.

Version with lumbar support and backrest width adjustment only:

Detach hoses (1) and (2) at cutting line (heat with hot air blower if necessary).

  1. Hose (blue) upper cushion (lumbar support)
  2. Hose (red) lower cushion (lumbar support)
  3. Hose (white) right cushion (backrest width adjustment)
  4. Hose (white) left cushion (backrest width adjustment)
  5. Motor pump unit (drive unit)

Remove drive unit. Refer to 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT .

Fig 2: Detaching Hoses
G03253206Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1).

Fig 3: Disconnecting Hoses From Valve Housing
G03253207Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: If necessary, gently heat air hose when firmly seated.

Disconnect hoses (3) ... (5) from valve housing (2).

  1. 3 Hose (blue) top cushion
  2. 4 Hose (red) bottom cushion
  3. 5 Hose (transparent), lumbar support pump (on housing black)
NOTE: For purposes of clarity, shown here without valve housing.

Installation: 

Observe cable guide (1) for backrest heating.

Fig 4: Laying Air Hoses
G03253208Courtesy of BMW OF NORTH AMERICA, INC.

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

Slacken screw (1) from inside.

Detach valve housing (3) from metal nut (2).

Fig 5: Detaching Valve Housing From Metal Nut
G03253209Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Housing parts (1) ... (4) must not be unclipped (leakage).

Fig 6: Identifying Housing Parts
G03253210Courtesy of BMW OF NORTH AMERICA, INC.

If housing is unclipped, clip valve housing together.

Carry out function check.

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