I had the same concerns over how high my engine temps got. Easily hit 225 in normal driving. Even knowing that was the norm for the Z, after reading the forums, I still got an oil cooler. If it did anything, it gave me peace of mind, and keeps my temps no higher than 205, even in spirited driving. Worth the money for peace of mind if you ask me.
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2010 Touring Roadster - Z1 Intake and Oil Cooler, GarageLine exhaust
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