I just read another post on motorgeek,
there were some ur quattrros with an alloy block, engine code WR.
Audi did this to homologate the alloy block, they stipulated that the block be exchanged for the normal iron one at 60k.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.