Castrol's range of engine oil includes old favourites like Magnatec up to the new top of the range Fully Synthetic Castrol Edge engine oils and Edge Sport engine oils. Castrol combine the latest engine protection technology with performance. Castrol have been appointed as the worldwide strategic lubricants partner for Jaguar Cars Ltd, Land Rover, Volvo Car Corporation and Aston Martin. Castrol is the main lubricants brand recommended by BMW.