Is there or is there not a problem with the oil cooler?

FairmanZ

As of this date, I'm pretty sure that Nissan via NISMO does NOT offer oil coolers for sale to the public. I think this would be the best solution for those concerned about warranty. But I can find no listing of it as an option anywhere, including Nissan Japan's website where they show all the 370z NISMO S-Tune optional parts. Many of these parts are not yet available in the US, but no oil cooler is listed.

Click on this link and then select "FairladyZ" to see what I'm talking about.

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Nissan knows this is an issue for the track, but not the street. Car and Driver stated their test vehicle in their original test review had an oil cooler and diff cooler installed, as did other early cars given to the press (Edmunds points this out too). But production models do not have them yet and I wouldn't count on it as 2010 standard feature. So the only current solution is the aftermarket.