about the lockout button you mentioned i've tried evrything with it. i tried moving down the windows with the button pushed down and also when the button is not pushed down.i guess i have to order for both front and rear gear box & motor . just tired of opening the door when picking up/paying drive thru (which is evryday b4 going to work ) and of course i dont want something not workin on my E34 ...thank you once again for the help Sir.