Remove or install thigh support at the front seat (sport) on the left or right (Convertible)

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).

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Keep Actuation (1) pressed to unlock the centering.

Carefully raise the end stop (2) for thigh support with a screwdriver (3) and pull the thigh support towards the front out of the guide rails at the same time.

View seat mechanism: 

1. 3. Guide rail on seat with depth retainer
2. 4. Guide rail on seat with end stop

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Unfasten plug connection (1) and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.