Necessary preliminary work

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Remove complete GLASS SLIDE/TILT SUNROOF
Remove GLASS SLIDE/TILT SUNROOF COVER AT REAR

Unlock tab (2) and remove water channel (1) toward the top.

NOTE: 2 springs are loosely connected to the guide for the water channel.

Installation note:

Make sure that the springs are reinstalled on the supports for the water channel.

Fig 1: Identifying Tab And Water Channel

Courtesy of BMW OF NORTH AMERICA, INC.

Removing supports for water channel:

NOTE: Water channel support cannot be removed without incurring damage.

Break out tabs with a screwdriver and lever out support.

Installation note:

Replace water channel support and hook into place.

Fig 2: Locating Water Channel

Courtesy of BMW OF NORTH AMERICA, INC.