Release the front door window glass

WARNING: Working on 12 V electrical system .
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

NOTE: Description is for left component only. Procedure on the right side is identical.

Preliminary work

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Undo multi-tooth nuts (1) on side window glass with special tool 2 360 051 A. (Observe next operation.)

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Only undo the multi-tooth nut (1) to the extent it is flush with the socket (2).
Lower front door window glass half way.

Courtesy of BMW OF NORTH AMERICA, INC.