Originally Posted by persian54

BMW was the same way at the beginning... in 07, only a sport package equipped 335i came with an oil cooler

but people were having oil temp issues (similar to what I've read on here, but not as bad) and they ended up offering it on all 08+ 335is, and would install them on the 07s if they were still under warranty (meaning they didn't drive 50k in a year or 2)

I think Nissan should have offered a better LSD/Oil cooler as an option.
just my opinion from the little bit of reading I've done on here.