Aztec Oils Torotec 5W-30 RN Engine Oil Fully Synthetic ACEA C4 5LA fully synthetic and low SAPS engine oil formulated for use with petrol and diesel engines, particularly those manufactured by Renault. Our specialist Adaptive Molecular Technology maintains engine power, maximises efficiency and reliability whilst ensuring optimum performance whilst supporting exhaust after treatment devices throughout the vehicles lifecycle in all driving conditions. ACEA C4 API SN CF Mercedes Benz 226. 51 Renault RN0720 Advanced