[JFP in PA]

Originally Posted by urban_legend

They claim to be Porsche approved and when I called they claimed to be the OEM provider. Said Dex Cool is fine and all the same formulations.

And I can tell you, from a direct conversation with a Porsche zone rep, that Porsche “due to well know issues, does not approve, recommend or condone the use of any coolant other than their own.”

Basically, using any aftermarket coolant is a bit of gamble; you may be fine, or you may not. In the end, it is your car to do with as you please…………..