52 17... Removing and installing/replacing adjusting unit for thigh support (electric) on front seat

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Necessary preliminary tasks:

Remove THIGH SUPPORT
Remove ELECTRIC MOTOR FOR THIGH SUPPORT

Release screw connection (1).

Fig 1: Identifying Front Seat Thigh Support Adjusting Unit Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Slightly raise seat cover (1) in center.

Push out carriage (2) in direction of arrow.

Release screws (3).

Remove adjusting unit.

Fig 2: Pushing Carriage In Direction Of Arrow

Courtesy of BMW OF NORTH AMERICA, INC.