Castrol Fiat GTX 5W30 RN720 C4 Engine Oil Car 5 L | eBay
Topping up my engine oil as it was a little low after a service. Are these two interchangeable? I use 5w-30 but a little lost on the 'LL' or 'c4' bit :
Original Nissan 5W-30 C4 | 6 Litres | Buy online motor oil