Fuel Filler Door Unit, Removing And Installing: Installing
WARNING: This page is about a different car, the 2024 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal while noting the following:
-- Insert the hinge side of the fuel filler door unit first into the fuel filler door opening and push it in until it clicks into place.