51 31... Removing windows with an oscillating knife: Notes

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Follow SAFETY INSTRUCTIONS FOR WORKING ON CARS WITH AIRBAG SYSTEMS .

IMPORTANT: Handle sharp-edged tools with care (risk of damage to the head airbag and the window glass).

IMPORTANT: Follow the vehicle-specific repair instructions!
Always wear safety goggles and protective gloves for your own safety.
Cover the working area (side walls, roof-mounted aerial and if necessary interior equipment) with protective covers.
Tape off body with fabric adhesive tape (e.g. Tesa) in areas where the oscillating knife could damage the window glass or the paint.

Use suction cups 51 3 010 to lift out the window glass.

Always keep both suction cups dry and clean to ensure their optimum adhesion on the windscreen.

Secure window glass against falling out.

Fig 1: Lifting Out Window Glass Using Suction Cups (51 3 010)

Courtesy of BMW OF NORTH AMERICA, INC.

Depending on the area of application, knife 1 or 2 is used.

Straight knife with adjustable thrust roller
U-shaped knife

Dimension (X) on the knife (1) can be adjusted individually, see vehicle-specific repair instructions.

NOTE: Sharpen knife blade before every use on a running machine with a grinding stone (even with new knife blade).

Fig 2: Straight Knife With Adjustable Thrust Roller And U-Shaped Knife

Courtesy of BMW OF NORTH AMERICA, INC.