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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 475 (Seats - Repair) >> Rear Seat, Normal, Electric >> 52 25 049 Replacing lumbar support on left or right rear seat

52 25 049 Replacing lumbar support on left or right rear seat

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Necessary preliminary tasks: 

Detach air hoses from solenoid valve.

NOTE: Heat air hoses gently if they are too firmly seated on solenoid valve.
Fig 1: Locating Solenoid Valve Air Hoses
G08509434Courtesy of BMW OF NORTH AMERICA, INC.

Remove clamps (1) at top left and right.

Fig 2: Identifying Clamps At Top Left And Right
G08509435Courtesy of BMW OF NORTH AMERICA, INC.
Fig 3: Identifying Lumbar Support And Spring Wire
G08509436Courtesy of BMW OF NORTH AMERICA, INC.

Detach lumbar support (1) from spring wire (2).

Installation note:

Engage lumbar support on fifth spring wire from below.

Air hoses must be laid without kinks.

Check lumbar support for damage.

Run a function check.