INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

Internal combustion engine, comprising: at least one cylinder-piston unit, a crankcase, in which the cylinder-piston unit is at least partly arranged, and a crankcase ventilation system having a discharge line, wherein the discharge line fluidically connects the crankcase to an intake system of the cylinder-piston unit, wherein the crankcase ventilation system comprises a supply line fluidically connecting the crankcase with the intake system of the internal combustion engine or the environment.