61 31 255 Replacing switch for outside mirror
WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.
This operation is described in:
"Replacing rocker switch for side window operation". Refer to 61 31 115 REPLACING ROCKER SWITCH FOR SIDE WINDOW OPERATION (FRONT) .