52 17 023 Removing and installing/replacing adjusting unit for thigh support on left or right front seat

Special tools required:

Move front seat into top position.

Unclip cover (1) with special tool 00 9 325 starting at the inside (arrow).

Fig 1: Moving Front Seat Into Top Position

Courtesy of BMW OF NORTH AMERICA, INC.

Fold up and unclip cover (1).

Fig 2: Disconnecting Cover Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Move thigh support (1) as far forward as possible.

Fig 3: Identifying Thigh Support

Courtesy of BMW OF NORTH AMERICA, INC.

Production date up to 04/2010:

Release screws (1).

Disconnect plug connections (2).

Remove thigh support (3) towards top.

Fig 4: Identifying Plug Connections, Thigh Support And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

From production date 04/2010:

Unfasten plug connection (1) and disconnect.

Unfasten screws (2).

Remove thigh support upward.

Installation note:

Insert screws (2) with Loctite.

Fig 5: Identifying Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip and remove cover (1) toward the top with special tool 00 9 325 .

Installation note:

Secure guide pins (2) in seat frame and clip cover (1) into place.

Fig 6: Removing Seat Frame Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 7: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Fig 8: Identifying Plug Connection Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Raise adjusting unit (1) complete with electric motor in direction of arrow and feed out downward.

Fig 9: Raising Adjusting Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Adjusting unit (1) must lie flush on facing (2).

Fig 10: Identifying Adjusting Unit And Flush Facing

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure latch mechanism (1) of adjusting frame is correctly on frame (2) (as illustrated).

Fig 11: Identifying Latch Mechanism And Frame

Courtesy of BMW OF NORTH AMERICA, INC.