Another "Oil Test"...long>
 

Saw the snippet of this on the X3 RoadTry board...
Have perused it, but not studied it, :D From the "Paradise Garage", fwiw & fyi.

Interesting. Worth a read if ya'll bored or A-O about your synthetic oil.
BR,md

http://neptune.spacebears.com/cars/s.../oil-life.html