Remove lumbar support on front seat

Preliminary works 

• Remove the front seat backrest rear PANEL .

• Detach the backrest cover (1) in indicated area.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Detach the welt from the backrest cover (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Press the latch mechanism and push the valve body (1) in the direction of the arrow.
• Feed out the valve body (1) from the rear seat backrest.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Loosen the clips (2).
• Remove the drive unit (3) and the valve body (4).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Detach the tabs (1) of the lumbar support (2).
• Carefully remove the lumbar support (2) towards the bottom between the spring wire and the backrest padding.
• Completely remove the lumbar support (2) including drive unit and valve body.

  Courtesy of BMW OF NORTH AMERICA, INC.