We currently have 2x25L pails available at this special price due to over-stocking. Ask for details. Q8 Formula Special 5W-30 is an ultra high performance SAE 5W-30 synthetic engine oil for Euro IV passenger car engines. Q8 Formula Special 5W-30 is an engine oil designed for passenger cars with normally aspirated or turbocharged gasoline, LPG or diesel Euro IV engines. It was specially developed for Euro IV MB 229.31 and BMW Longlife-04 applications.