Selenia WR PURE ENERGY 5W-30 is a fully synthetic lubricant developed in collaboration with FCA capable of fulfilling the needs of the latest generation modern passenger car diesel EURO 5 engines. Passing the ACEA C2 specification certifies the low ash content, which is an indispensable characteristic to protect the particulate filter from residual combustion products that could cause dangerous clogging of the particulate filter.