61 31 255 Replacing Switch For Door Mirror
WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
Operation is described in:
Replacing rocker switch for side window operation. See REPLACING ROCKER SWITCH FOR SIDE WINDOW OPERATION (FRONT) (UP TO 03/2007) and REMOVING AND INSTALLING/REPLACING POWER WINDOW SWITCH (DRIVER SIDE) (LONG VERSION OR FROM 03/2007) .