Audi fills some open spaces in the body (like doors) with wax to
reduce rattling and such. It leaks out when it gets hot and runny,
but only where the fill holes have somehow opened up (unplugged).
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.