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

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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.