What specific section of the FSM are you needing? The differences are minimal and an older version will likely serve you just fine. It usually takes a few years for them to become available for free online.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |