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

Necessary preliminary tasks: 

• 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 .

Release retaining screw (1).

Disconnect electrical plug connection.

Fig 1: Identifying Retaining Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect air hoses (1) and (2).

Installation: 

Make sure air hoses (2) are correctly connected to valve block (color coding: red/blue).

Housing on valve block must not be unclipped (leakage). If necessary, clip housing together.

Fig 2: Identifying Air Hoses

Courtesy of BMW OF NORTH AMERICA, INC.