Install the window channel strip on the front door on the outside

• Check the window channel strip (1)  for damage, replace if necessary.
• Coat the window channel strip (1)  with a suitable lubricant prior to installation.
• Position the window channel strip (1)  in front at the door.
• Press down the window channel strip (1)  across its entire length.

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE EXTERIOR MIRROR .
• Refer to INSTALLING FRONT INNER WEATHER STRIP .
• Refer to INSTALLING FRONT DOOR TRIM PANEL .
• Refer to INSTALLING THE COVER ON THE DOOR HANDLE .