52 17... Removing and installing/replacing left or right thigh support

Move thigh support (3) as far forward as possible.

Release screws (1).

Tightening torque 52 10 11AZ.

Disconnect plug connections (2).

Remove thigh support (3) towards top.

Fig 1: Identifying Support, Screws And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, unclip cover (1) towards top and remove.

Installation note: 

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

Fig 2: Securing Guide Pins In Seat Frame And Clip Cover

Courtesy of BMW OF NORTH AMERICA, INC.

5217... Removing and installing/replacing left or right thigh support