Starting the dismantling

NOTE: Spools can only be rotated in one direction.

Make sure the wire is always situated in the guide channel of the suction cup lifter (1)
Fit reversible ratchet onto top spool shaft (2) and tighten wire

Fig 1: Removing Window Glass Using Suction Cup Lifter
Courtesy of BMW OF NORTH AMERICA, INC.
Start by cutting lower adhesive bead
At the end of the cutting process, the two wire loops join up at the lifting winch (1)
Remove "Roll Out 2000"
Remove window glass.