No, oil cooling is not an issue anymore unless you're on an actual track and beating the bloody hell out of the thing. Oil coolers became stock in the 2012 model year. You can upgrade it if you want, but it's probably not the most sensible place to start.
The limited edition number plate on Nismo models is gone, so that's something new
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The tech package now includes a backup camera. Resolution and general clarity blow
(you'll know if something's behind you, but will probably have to guess what it is) especially if you're used to something like Infiniti offers, but it's better than nothing
Maintenance frequency has changed since 2009; now they suggest an oil change every 5,000 miles instead of 3,750. It's not like the engine or anything else actually changed, I just thought that was an interesting policy change
