Install the LED module for the light carpet

• Position the LED module (3) in the guide (4).
• Press LED module (3) into detent (2).
• Turn the adjustment screw (1) clockwise to screw it into the LED module (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE DOOR SILL TRIM PANEL .
• Refer to ADJUSTING THE LED MODULE FOR THE LIGHT CARPET .