Rear Door
WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Lever out rocker switch for side window operation (1) in direction of arrow.
Disconnect associated plug connection and remove rocker switch for side window operation (1).
Courtesy of BMW OF NORTH AMERICA, INC.