Bimmerfest - BMW Forums - View Single Post - How to test, clean, & redesign the original BMW dipstick guide tube (CCV vent clogs!)
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Old 06-17-2012, 12:23 PM
rdl rdl is offline
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Location: Ontario, Canada
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Originally Posted by bluebee View Post

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I'm really not sure what that means because I get ZERO RESISTANCE no matter what the engine speed when I blow into the upper CCV vent pipe.

If that means the diaphragm is holed, I 'still' (unfortunately) don't get how that's supposed to indicate that. I wonder if someone with a known good CCV can test and report what happens when they blow into the upper vent pipe?
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