Posted on 10/9/2014
![BMW Crankcase Vent Valve Season](https://www.djforeignautocare.com/Files/Blog/Images/BMW-CCV-djforeignauto-Minneapolis-MN-55418.jpg)
BMW Crankcase Vent Valve Failure: BMW crankcase vent valves fail more often this time of year and we see more of these types of problems as the weather gets colder. The BMW crankcase ventilation valve is also known as the oil separator, CCV, or PCV valve. According to Wikipedia, "A crankcase ventilation system is a one way passage for gases to escape in a controlled manner from the crankcase of an internal combustion engine. This is necessary because internal combustion inevitably involves a small but continual amount of blow-by, which occurs when some of the gases from the combustion leak past the piston rings (t ... read more