if it is an ES then that is the valence you posted a pic of. you dont necessarily have to run the same one though. join and read everything you can on r3vlimited, atleast all the stickys. if you have problems like your window, search "window not working" or something and youll get tons of info. e30tech has lots of info too but r3v is the ultimate source, if its not on there it wont be on e30tech haha plus they suck. i guess sometimes it helps to look everywhere you can for a used part or something. bmwfans.info or realoem.com are great no BS parts catalogs (not to order from) with good pictures invaluable for working on EVERYTHING. i buy most things from the dealership but if you can get a deal on shipping or a sale sometimes bavarian autosport or pelican parts can be good. ireland engineering is a small company that sells their own brand of e30 parts but their service is nothing great. turner motorsport is a great site but theyre more about e36s. not a huge e30 market out there compared to some cars.

jriggs is right about the switches and regulators probably being the cause for window problems.

if people met up it would be in tampa probably on a friday or saturday night like before im guessing. id like to see your car for sure. you should post some pics.