To reduce emission of not burned hydrocarbons from a case in the atmosphere at the tight engine karterny gases and oil steam are delayed from a case to the highway of air supply in the engine and burned up by the engine.
QX4.ONLINE S40.ONLINE A-8.ONLINE W124.ONLINE RX300.ONLINE W140.ONLINE B3-B4.SPACE B3B4.SPACE A-8.SPACE