Where can I find Midgrade Gasoline in Römerberg?

Midgrade Gasoline can also be found in these cities:

Böhl-Iggelheim Edesheim Eppelheim Forst Hasloch Heidelberg Hochstadt (Pfalz) Hockenheim Karlsdorf-Neuthard Kronau Kuhardt Ludwigshafen am Rhein Mannheim Neustadt an der Weinstraße Philippsburg Rülzheim Sandhausen Schifferstadt Schwegenheim Speyer Wachenheim an der Weinstraße Waghäusel Wiesloch

You can also find this in Römerberg:

Super Premium Gasoline Premium Diesel Fuelsave Regular Diesel Fuelsave Midgrade Gasoline Car Wash