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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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Old Yesterday, 07:14 PM
Victormyboy57 Victormyboy57 is offline
Registered User
Location: Montara CA
Join Date: Mar 2015
Posts: 6
Mein Auto: 2005 545i
Question Bad PCV valves?

I inspected the PCV valves on my 2005 545i over the weekend and they appear to be okay although I don't know for sure. Can they be worn out but appear intact?
Does the spring tension need to be at a certain level for them to work properly? Are there other PCV related components that fail and can be fixed easily?

My car has all the characteristics of a bad PCV valve e.g dumping oil into the intake manifold. The car produces blue smoke after idling for long periods, but otherwise no smoking. Engine runs strong, no misfires.
Can anyone help with a diagnosis on this?

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