It is easy. go to and follow the instructions
http://www.qualityplusauto.com/CAF/guides/8107P.pdf
If its the same as the C240...The cabin air filter is located over the battery
http://jimwarholic.com/jotspot/2008/01/honda-accord-cabin-filter-replacement.php
where is the in cabin filter for the Infiniti G35?
yes its called the cabin air filter
Remove the glove box by pushing in the tabs on the sides and tilting it down. The air filter is behind the box and should slide right out.
the altima coupe has a v7 engine as the sedan has a v6
Behind the glove compartment. Purchase a Purolator Cabin Filter. It comes with complete instructions.
You take off the bottom cover and the filter is staring right at you. All a G35 is, Super Mack-Daddy Maxima/Altima/350z car
Some of the most recent cars of the Japanese automobile manufacturer include Nissan Altima Coupe, Nissan 370Z Roadster & Coupe, Nissan Altima Sedan and Nissan Versa Sedan.
My recommendation is every 5,000 miles change the oil & filter.
4.5 quarts with oil/filter change.
Check "Autotrader.com" Check NADA.com Check KBB.com