Quote:
Originally Posted by cn90
Long-term report on 2006 X5 3.0i 6sp MT...
- Nov. 2016: 122K miles: oil consumption ---> 1qt/400 miles.
- Aug. 2020: 135K miles: oil consumption ---> nothing at 5K oil change interval.
FYI: if you remove the PCV valve and connect the hoses directly using a simple metal reducer, the crankcase vacuum will be excessive and you will hear a loud hissing vacuum noise (very scary sound), been there done that and posted in this thread. So far, I am very happy with this mod. This mod using the Duralast PCV valve definitely increases the vacuum to the "correct" amount.
I will remove the Duralast PCV valve for inspection and photo for the group soon.
In many cars, this kind of PCV valve *should be* replaced every ___ yr/miles.
Does anyone here know the proper interval for let's say Duralast generic PCV valve as in this mod?
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thanks Cn90 ,-about the PCV - i have no idea what the interval is but , if it was me i would replace it yearly cause its inexpensive and easy to access and RR.Are you still running same set up that uses the 2 ports on the manifold?
wonder if Bave39 still around....
@fifty -thank you for the input , hope you sort that oil consumption soon