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Hello and welcome to JustAnswer BMW,

My name is XXXXX XXXXX it will be my pleasure to assist you today.

to do this, start with the window open

then press the open button all the way down for 15 to 25sec

then quickly push to the close positional all the way and hold

the window will close, open, then close again, all the while you are still holding the close button

here are the official instructions: CLICK HERE and then press download to save a copy

Please use the "reply" or "continue conversation" link if you have further questions. Otherwise please select a positive feedback rating (FAR RIGHT) so that I may be credited and compensated for the assistance I have provided.

Please do not select either of the left hand ratings - please simply reply if you require anything additional and I will be happy to answer any follow up questions you may have. Thank you and best of luck with your vehicle