Removing and installing/replacing water channel for glass slide/tilt sunroof (M4 Coupe)

Necessary preliminary tasks:

Lever out linkage of left and right water channels (1) from gate (2).

Installation note:

Linkage must audibly engage in gate.

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip left and right water channels (1) from carriage (2) towards rear.

Installation note:

Water channel must audibly engage in carriage.

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Perform function check only with fitted water channel. (Risk of damage).