Thanks Yes that’s is the page I have! There is no mention of what part 17 screws into!Try looking at this link for part numbers.
wing; wheel housing liner, plastic Audi A2 (A2) 2003 year Audi EUROPA 821010
wing<br/>wheel housing liner, plastic Audi A2 (A2) 2003 year Audi EUROPA 821010 spare partsaudi.7zap.com