LIQUI MOLY MoS2 Leichtlauf 15W-4 is a multigrade engine oil formulated using the best grades of mineral oils and a modern additive package. The high content of additives, as well as the content of a solid lubricant - molybdenum disulphide (MoS2) guarantees optimal lubrication of engine parts under the highest loads on it and during long oil change periods.