Specifically the bolt which holds the control arm to the body. Does anyone know the size of this bolt or where I could look it up?
Check out vagcat.com - you can find pretty much anything's specs and part numbers there.
Unfortunately the catalog at vagcat has been down for a week or so. I did however find the p/n and size on a russian version of the etka. The p/n is N0101904 12x1.5x90 in case anyone else needs it.