Mounting suction cup lifters on windscreen or rear window

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Fig 1: Mounting Suction Cup Lifters On Windscreen Or Rear Window

Courtesy of BMW OF NORTH AMERICA, INC.

Secure position of suction cup lifters as shown:
1. Suction cup lifter with double spool
2. Suction cup lifter with single spool
3. Window glass
4. Cutting wire
Fig 2: Mounting Suction Cup Lifters On Windscreen Or Rear Window
Courtesy of BMW OF NORTH AMERICA, INC.