I have a 93 325i. In between my driver's side window button and the driver's side rear window button there is another unmarked button. It's motion is only straight up and down, not the rocking motion of the window buttons. Can anyone tell me what this button does cause I have yet to figure it out. Thanks.
nah... its a rear window lock... try to use your rear windows after pushing the button. the button next to the steering column is the window relay kill switch, which will not you use any of the power windows with any of the buttons
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