Originally Posted by Brandon314159

Snipped for brevity

The system on that 240D is simple and only has 2 rubber elbows and a hose. It just blows the air from the valve cover over to the intake and burns it up. The later 5-6 cylinder models are much more complex as they capture oil/oil vapors and return the liquid to the oil pan while offing the air into the intake. (Ideally )