This is national as it's in the latest booklet
This is long life oil, thats the ll after the viscosity
Is all the Castrol edge 5w30 long life?
£79.89 for a 4 pack including delivery if you are far away from a store like me. I have a service coming up and supply my own oil rather than use the garages bulk oil so bought 4 and will keep 2 for top ups and the next service. https://www.costco.co.uk/Tyres-Automotive/Car-Maintenance/Castrol-EDGE-5W-30-Long-Life-Engine-Oil-4-Litres-4-Pack-16-Litres/p/888222