52 16... Removing or installing thigh support mechanism at left or right front seat

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NOTE: This removing/installing/replacing procedure applies to "Sport" seat version.

Necessary preliminary work:

Partially remove SEAT COVER .

Move thigh support (1) all the way forward.

Unlock top thigh support mechanism (1) in marked area:

First unlock thigh support mechanism in the middle.
Pull thigh support mechanism toward the front while unlocking the left and right side at the same time.

Fig 1: Identifying Top Thigh Support Mechanism In Marked Area
Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Remove bottom thigh support mechanism (1).

Fig 2: Locating Bottom Thigh Support Mechanism

Courtesy of BMW OF NORTH AMERICA, INC.