Synthetic high-performance engine oil, specifically for use in water-cooled boxer engines. Guarantees a stable lubricating film and a constantly high oil pressure under all operating conditions and lowers the friction in the engine significantly. MOTOREX BOXER 4T is specially developed for water-cooled boxer engines (e.g. BMW). It provides an excellent solution to meet the specific requirements of water / oil-cooled engines. Tests conducted in cooperation with experts at AC SCHNITZER, the BMW tuning specialist, guarantee maximum performance. Synthetic performance. Ideal for water / oil-cooled engines. Reduces oil consumption. Catalytic converter tested. Developed in close cooperation with the BMW tuner AC SCHNITZER. Specifications: JASO MA2, API SN, API SL, API SJ.