dgmueller

I just saw this. You may have figured that out by now. I don't know for sure, but does this model have oil cooler line attached with a banjo bolts? If so, that would be your fill port when unattached. My 2004 C5 Allroad 6 speed Quattro had that. The Bentley service manual did not show that. On mine there was two drain plugs for Centre ( with fill plug on passenger side) and the rear tail section with drain plug and the banjo bolt "fill plug". Need two new crush washers if banjo bolt removal needed. I live in Canada, so I may not have been any help on your model.. But?

Thank you. Your site wielded a solution to an interior light problem that saved me a lot of time and money. I am in Canada, but appreciate the wealth of info from all. Peace to all.