Moving windlass:

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

Before moving windlass, remove reversible ratchet, extension and parabolic tool

Fig 1: Moving Windlass
Courtesy of BMW OF NORTH AMERICA, INC.
Release sucker on windlass
Pull and hold black locking button (1)
Turn windlass and move with sucker
Refit reversible ratchet, parabolic tool and if necessary extension
When cutting the corner points, make sure the wire is situated in the guide channel of the windlass; this makes the cutting job easier