51 43 075 Removing and installing/replacing side trim panel, footwell, on A-pillar, right: Installation:

If necessary, replace faulty clips (1) in side trim panel (2).

Fig 1: Checking Clips In Side Trim Panel

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Insert guide (1) of side trim panel (2) into slot in carpet.

Fig 2: Inserting Guide Of Side Trim Panel Into Slot In Carpet

Courtesy of BMW OF NORTH AMERICA, INC.