Originally Posted by Robert_Nash

Just FYI Folks,

I just had my first oil change at my Nissan dealer and according to my service manager, there is now a specific service bulletin from Nissan regarding making the ester oil highly recommended although not required for the 3.7 engine.

Also interesting is that this oil is apparently a Penzoil Platinum product and qualifies for their current $50 rebate after the proscribed number of oil changes.

Now; I haven't confirmed any of the above with Nissan Corporate but that is what the dealer told me.