Once I browsed the Audi Tradition website and found something interesting:
The oil printer for the analog display....
Even "original remanufactured".
http://trshop.audi.de/konakart/SelectProd.do;jsessionid=05B0134C1CBD0704A0C8834253D2FC39.tomcat00?prodId=26175&manufacturer=manufacturer&name=%D6LDRUCKGEBER&model=0001
So if you have a defective or leaky dealer, you can get one again.
Only the price is of course again "luxury class"
Kind greetings
Jörg