Nulon Apex+ Long Life Diesel 5W-40 Engine Oil 1L Nulon APEX+, with Advanced Fluid Dynamics, dramatically improves engine oil flow efficiency to reduce power-robbing friction and maximise engine performance when you need it. Responding to driving inputs, Nulon APEX+ flows faster at low temperatures and resists extreme pressure, heat and wear of contacting metal surfaces to promote ultimate performance, fuel efficiency and protection in both everyday stop/start and the most demanding driving conditions. Nulon APEX+ 5W-40 Long Life engine oil is a General Motors dexos2 license approved formulation designed to provide ultimate performance and protection for all technically advanced passenger car and light commercial petrol and diesel engines, including vehicles fitted with a Diesel Particulate Filter (DPF).