I was fooling around with the S and randomly checked the PCV valve and it was too clean?
I thought this valve was to maintain a certain pressure in the engine block and
recycle unburned oil fumes? It looked practically brand new. Is this normal? Here is a picture of it.
Oh, it has 56K miles.
http://www.flickr.com/photos/74054697@N07/7150059085/

 

I'm no mechanical genius but as long as you've never noticed your oil dipstick popped out then I'd say you're good.