Originally Posted by JARblue

It's fine. Oh but if you don't want to have problems later, I'd change it. If you're gonna sell it, who cares about the next owner

Granted I think this way about our leased Acura when it comes to cosmetics (like when I fit a lawnmower in the back seat and scratched up the trim forcing it in). But not maintenance. In fact, the dealer won't even put the recommended full synthetic 0W-20 oil in it, so I just do it myself since I can use Mobil 1 0W-20 for the same price they charge me to put in blended 5W-20.

I change fluids more than the recommended intervals on the Z just because I can. There are plenty of both dumb and smart people on the internet. There are plenty of dumb and smart people working for Nissan. I take the information provided by all of them, try to become more knowledgeable in the matter, and do my best to come up with my own logical conclusion. Blindly following Nissan's (or anyone's for that matter) recommendation isn't my style. To each their own. Just my