Laying cutting wire around windscreen:

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Starting from pull-in point, lay wire eyelet created on the outside counterclockwise around the windscreen
Pull excess wire into car interior

IMPORTANT: Make sure the cutting wire is located at all four corner points below the windscreen.
Check that the cutting wire is not caught on retainers or body.

Fig 1: Laying Cutting Wire Around Windscreen

Courtesy of BMW OF NORTH AMERICA, INC.

Secure window on outside with adhesive tape against slipping

NOTE: Windows (1) with fitted seals (3) or sprayed-on surrounds:

Moisten cutting wire (4) and seals (3) on window (1) with water
Insert cutting wire (4) in bend (without kinking) between window (1) and body cutout (2)

Fig 2: Moistening Cutting Wire & Seals On Window With Water

Courtesy of BMW OF NORTH AMERICA, INC.