Genuine wheels? Audi A3

[Addison Audi]

Hi, I found some Audi 18 inch S line wheels on ebay that I hope to put on my 2004 A3, is there anyway to tell if they are genuine or not? Also is 18 inch the standard size for S line wheels on an A3? thanks

 

[WOLF]

Will have the audi four rings logo and a part number starting with 8EO in the alloy on the back possibly on one of the spokes,.

 

[347]

and will probably be manufactured for Audi by Ronal or Speedline , and will display the makers mark on back of wheel .
Also the ET number will be 54 or 56 for the genuine A3 wheels .