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Originally Posted by jonbonazza
The answer is a bit more complicated. First of all, every car is different, so while in theory you could use an off the shelf tune, it will not be optimized for your car.
Furthermore, various tuning solutions have different capabilities. If you are going FI, then the only real option out there (currently) for you is ECUTek. It's a fantastic system, but it is also extremely locked down. You need a cable to connect and a license usb key to even launch the software. Furthermore, you need to be a registered tuner to actually create a tune file and the file format is proprietary. Also, every tune, cable, and license is tied to your VIN and your license and tune is tied to your cable's ID. It really is a pain, but one we are forced to deal with until an alternative comes along.
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End users who simply buy a cable and vehicle license are able to create their own maps. You don't have to be a licensed tuner. And not all tunes are locked to your key. Some tuners do. It lock their tunes. That is an option that ecutek gives as an option for security.
What's a pain is the lack of key bindings in rom raider. lol. Not to mention the lack of speed density in open source which is really needed to do a quality tune on a jrsc at high rpm as it tends to max the maf out
There aren't a ton of options out currently for tuning but luckily the ones out are quite sufficient for the needs of many!