Install the rubber window seal for the door window glass

• Treat the rubber window seal (1) with a suitable lubricant.
• Roughly position rubber window seal (1) at the window frame.
• Fit rubber window seal (1) on the window frame.

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• Insert rubber window seal (1) into the window guide rails.
• Secure rubber window seal (1) correctly on the window frame (2).

Courtesy of BMW OF NORTH AMERICA, INC.