Install the frame trim on the window frame of the front door

• Correctly position the frame trim (1)  and lock on the rubber window seal staring from the rear.
  NOTE: For better installation, coat the rubber window seal with water.

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE WINDOW CHANNEL STRIP ON THE FRONT DOOR ON THE OUTSIDE .
• Refer to MOUNTING THE OUTSIDE REARVIEW MIRROR ONTO THE FRONT DOOR .
• Refer to INSTALLING FRONT DOOR TRIM PANEL .
• Refer to MOUNTING THE MIRROR TRIANGLE COVER .