SPECIFICATION - ACEA C3, API SN, MB 229.31/229.51/229.52, BMW LL-04 Triple R 5W-30 R-Tec 20 is a fully synthetic engine oil developed with the very latest synthetic technology for today's modern vehicle requirements. Carlube Triple R 5W-30 R-Tec 20 is a fully synthetic, mid-SAPS engine oil formulated to provide optimum durability for the latest generation of petrol and diesel engines. Especially suitable for vehicles fitted with after-treatment devices such as DPFs, EGR or SCR systems. Fully synthetic engine oils offer increased engine protection and longer engine life, reduced friction and enhanced lubrication during extreme chilly weather starts and increased fuel economy.