51 71 472 Removing and installing/replacing cover on left or right sill

Necessary preliminary tasks: 

• Remove trim on rear wheel arch, see 51 71 478 Removing and installing/replacing trim on rear left or right wheel arch 

Release blind rivet (1) and screw (2) on cover (3).

Fig 1: Blind Rivet, Screw And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Release all blind rivets (1) on cover (2).

Fig 2: Blind Rivets And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Version without M Technic aerodynamic kit: 

Unclip cover (1) from running board (2) starting at rear and remove.

Fig 3: Cover And Running Board

Courtesy of BMW OF NORTH AMERICA, INC.

Version with M Technic aerodynamic kit: 

Snap cover (1) out of clips (2) and feed out towards bottom rear.

Installation: 

If necessary, replace faulty clips (2).

Feed cover (1) correctly into trim on front wheel arch.

Fig 4: Screws And Bumper Trim

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Guides (1) and clips (2) on cover (3) must not be damaged.

If necessary, replace faulty clips (2).

Fig 5: Guides, Clips And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Version with M Technic aerodynamic kit: 

To avoid chafing marks on cover (2), stick protective film (1) onto cover (2).

If necessary, stick protective film (1) in a moist bonding process, see 51 00 ... Instructions on sticking film  onto cover (2).

Fig 6: Protective Film And Cover

Courtesy of BMW OF NORTH AMERICA, INC.