Hi, welcome to JA.
Sorry, and what year is it?
Rip
Thanks, if none of the power windows operate you may have a faulty fuse, power window relay, or power window circuit breaker. The fuse is located under the hood, below is the illustaration with the legend.
This is the switch shown in the illustration below.
Lead Technician
BMW Factory Training, ASE Master Techinician, Advanced engine performance.