So i need help with my wife's 04 G35 Sedan automatic its going to need a oil change soon which i will do myself since we always had bad experiences with dealers she currently runs on Pennzoil 5W30 conventional i been told that its best to change to Amsoil %100 Synthetic 0W30 my question is is that the best option to do or should i go Amsoil Synthetic 5W30 the price doesn't matter as its for my wife and kids i need the car to be in the best condition it can be we live in southern cali which pretty much has bipolar weather summer gets pretty hot where i live also should i stick to Nissan OEM Oil Filters or try the Amsoil Filter? any help will be great thanks!

 

Just get castrol synthetic blend and a wix filter.