51 13 001 Removing and installing/replacing front radiator grille, middle left or right

Press down catches (1) and remove front radiator grille (2) from outside.

Fig 1: Identifying Front Radiator Grille And Catches

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

All catches and guides on front grille must not be damaged.

Press on chrome ring to push front radiator grille (2) into bonnet/hood.

Fixtures (1) must engage correctly.

Fig 2: Pushing Front Radiator Grille Into Bonnet/Hood

Courtesy of BMW OF NORTH AMERICA, INC.