51 71 447 Removing and installing/replacing trim for cover on left or right side member (from 09/08)

Release screws (1).

Remove trim from front beginning at side.

Lever off catch on rear wheel arch cover and remove side sill.

Fig 1: Identifying Rear Wheel Arch Cover Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Make sure spacers (1) are correctly positioned between underbody trim and bodyshell.

Fig 2: Identifying Spacers

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Installation: 

If necessary, remove retaining strips (1) from bodyshell

Clip retaining strips (1) into sill cover (2).

Clip sill cover (2) into bodyshell.

Listen out for audible clicking noises.

Visual check: 

Make sure sill cover (2) is correctly seated and observe wheel arch BODY GAP DIMENSIONS at front and rear.

Fig 3: Identifying Clip Sill Cover Into Bodyshell

Courtesy of BMW OF NORTH AMERICA, INC.