Windlass With Double Coil:

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

For use with small windows.

Attach windlass firmly to window so that both coils are turned away from application point of wire
Feed either the upper wire end into the lower coil or the lower wire end into the upper coil
Fit reversible ratchet on coil and tension wire
Cut through approx. 10 cm of bonding joint

Fig 1: Fitting Reversible Ratchet On Coil And Tension Wire
Courtesy of BMW OF NORTH AMERICA, INC.
Feed other wire end into free coil so that the wires cross
Continue cutting bonding joint by alternately using the coils
Both wires meet ahead of both coils when removal is completed
Remove "Roll Out 2000"

Fig 2: Feeding Other Wire End Into Free Coil
Courtesy of BMW OF NORTH AMERICA, INC.