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Does the 1988 750iL have PCV Valves? (archive)
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Posted by David R. Shelvey on December 22, 2000 at 21:55:05:

Hi folks,

I have been hearing several different stories about the PCV valves.

From my local dealer I hear there is no PCV valves on a 1988 750iL.

Then I hear the car has check valves (pcv) and also volume control valves.

Then I hear the oil separator replaces the need for PCV Valves.

So, does the car have PCV Valves that function like a Ford or GM? Can someone explain how the crankcase is ventilated?

I have heard the car has volume control valves that plug into the air intake just to the inside of the air mass flow sensor. They have a little ball inside and if they become plugged you simply remove them, clean them in solvent, and put them back on the car.

I welcome your comments,
Dave


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