52 16 048 Remove or install thigh support at the front seat (sport/electric) on the left or right

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Unlock and move thigh support (1) as far forward as possible.

Lever out the welt (3) from the seat cover (2) from the thigh support (1).

Fig 1: Removing Thigh Support

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Identifying Thigh Support Actuation And Centering

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Do not completely extend the thigh support to the end stop.

Keep Actuation (1) pressed to unlock the centering (2).

Carefully raise the end stop (3) for the thigh support with a screwdriver and pull the thigh support toward the front out of the guide rails at the same time.

View of thigh support mechanism:

End stop for thigh support
Locking mechanism for the thigh support

Fig 3: Identifying Thigh Support And Locking Mechanism
Courtesy of BMW OF NORTH AMERICA, INC.

View seat mechanism:
Guide rail on seat with depth retainer
Guide rail on seat with end stop

Fig 4: Identifying Seat Frame Mechanism And Guide Rail
Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

NOTE: Check guide rails (2) and adjusting mechanism (3) for damage.

Fig 5: Identifying Front Seat Guide Rails, Adjusting Mechanism And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.