51 49... Removing and installing/replacing trim for rear lid, side left or right

Starting from (A), unclip trim panel (1) inwards.

Installation: 

If necessary, replace faulty clips (2).

Fig 1: Removing Rear Lid Storage Shelf Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Mountings (3) and guides (2) on trim panel (1) must not be damaged; replace trim panel if necessary.

Fig 2: Removing Retaining Rail Screw And Journal From Retainer

Courtesy of BMW OF NORTH AMERICA, INC.