welcome aboard Gargoyle69!!
congrats on your purchase of the 323i. that's a great car!!
i have always been very cautious about purchasing from ebay, but i haven't heard of any complaints from anybody when purchasing wheels from ebay. do you have a link to the page? this way we can help you whether these will be good for your car or not.
p.s. when you get a chance, post some pics of your car. B)