Hello, revisiting this old thread.
I've recently purchased a new to me 2003 Boxster S.
I'm planning on flushing the cooling system since I don't know what's in it now or how long its been in there.
Just curious, because its allot harder to get stuff in Canada, is there a coolant that is not from the porsche dealer and readily available for purchase that is okay in the boxster cooling system?
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