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Old 09-30-2013, 11:28 AM
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I hooked up my OBD sensor to my car to check the vacuum pressure. When I am idling, the vacuum pressure gets down to -28 in/Hg. Is that the proper vacuum to have in the N62 4.8is?
My CCV's appear to be working properly, so why do I have oil in my intake?
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Old 09-30-2013, 11:53 AM
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Quote:
Originally Posted by craigatkinson View Post
I hooked up my OBD sensor to my car to check the vacuum pressure. When I am idling, the vacuum pressure gets down to -28 in/Hg. Is that the proper vacuum to have in the N62 4.8is?
My CCV's appear to be working properly, so why do I have oil in my intake?
-28 in/Hg is great
There is a great debate on this issue with differing opinions. This is a link to one (I took you to the last page - but it's all good if you're interested).

545i Blue smoke after idle, Valve seals? - Page 11 - Bimmerfest - BMW Forums

Last edited by A B Able Truck; 09-30-2013 at 11:54 AM. Reason: info
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4.8is, idle, n62, smoke, valve stem seals


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