Different Z/G's will come with different ECU part numbers. For example, my ECU is 1NB1A, which has already been cracked by Uprev previously on another 2008 G35 sedan that has the same ECU part number. Therefore all I have to do to be able to tune the car is flash the ECU with the Uprev version of the ROM file for my specific ECU part number. This Uprev version is identical to the stock ROM file from factory only this one is cracked and thus you can access all the tables to modify using Uprev Osiris.
If your ECU part number is not on the list of cracked ECUs, then you will need to do a ROM dump and send the data to Uprev so they can crack it and add it to their list. That's is why they were asking for your ECU part number. uoi can find the number either by connecting the Cipher cable, by the VIN or by taking out the ECU and looking at the number printed on it.
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08 G35 5AT Sedan | Stillen CBE | Invidia HFC | Injen CAI | Uprev Tune | Akebono BBK | Tanabe Coilovers | Hotchkis Sway Bars | GTSpec FSB | Black Headlights & Grille | Volk GT-F Wheels | Hankook V12 Evo Tires
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