My 2018 M3 light show was working fine as of 12/16 and now is not working. I get message that it is ready, I close all doors and hear a thump but windows don't lower. Windows work fine from switch but won't lower with light show. I have checked trunk and frunk, all good. I have rebooted several times. I have preconditioned and heated car. I have tried several different usb drives, nothing works. Ideas?