-quote-
The failed crank case vent valve, there is a diaphragm inside this that fails. When this happens, the engine will run very roughly due to a lean condition caused by outside air drawn in through the engine seals as a result of excessive vacuum. This will be accompanied by scary amounts of whitish/blue smoke.
-unquote-
And that is for what the pics are for to show it to you
http://www.samnet.net/alfaguy/bmw/840_engine.htm
ahhhh the tornado deal!
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy