That semi-syn 7500 is the exact same oil Saab sold as "Saab Turbo Oil" and was the factory spec'd oil for MY '99 and '00. That changed at some point but I do not know when.
At the hands of its first owner, my 2000 9-5 Aero lived on that oil without any ill effects for 84,000 miles (albeit with an average oil change interval of 4000 miles).
I have been reusing my oil drain plug washer, and this time it is finally leaking oil out of the drain plug. Few drips after every drive then stops.
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