Klier is correct. I was having a laugh. Play on words between "Bund" and "bound".
With regards the X7, I have no insider information but it's not rocket science to predict when cars are going to be premiered, or when concepts are going to turn up. We don't need any BMW insiders for that. I might be wrong and feel free to come and tell me I was "wrong" come April, but I suspect it will be premiered as a concept in Shanghai on the press day on 19th April. Photos will likely appear on the internet before that.
We haven't seen any mules of the X7 yet, but what usually happens is there is a concept version about two years before the actual production debut, and the mules usually first appear just after the concept has been revealed.