In my opinion the factory cooler on the 2012 is great to have in addition to a external oil cooler like the Z1, Stillen, GTM, etc. Reason being, the OEM oil cooler now installed on the 2012 will help regulate the oil temps in colder climates. Since 200*F+ coolant is constantly circulating, this will help to keep oil temps from getting too low.
By itself, the 2012 oil cooler will work just fine correcting some of the '09-'11's issues. But even in an autocross/track day enviornment, the oil temps can still get hotter than desired.
Last edited by Dustin@Z1; 07-03-2012 at 02:49 PM.
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