They said it will go on sale after a few people have tested it for a while. I have put a few hundred miles on the tune today and have zero issues or problems to report. With this level of reliability I am sure this will be announced on the retail market very soon.
Don't worry if you have Stage1 - I understand that there will be an upgrade kit available to move to the JB4 on your own. This tune is basically following the same path the E series N55 went through. If you look on the BMS site you'll see the N55 JB3 to JB4 upgrade kit - this will give you an idea of what I assume the F10 kit will look like for those with Stage1.
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