I've just sold my bike with a K7 on it. I couldn't be bothered to uninstall it and then hang around until I found a buyer. I'd routed it all very discreetly, so it wasn't a straightforward removal.
It was working perfectly and I very much doubt the new owner has a clue what to do with it. He didn't seem very impressed (not a common install here in Spain) and it wouldn't have made a difference to the price. There was a Gen II Hex in there as well. And I gave him the GEN I. Again, this guy was not going to have a clue what it's for, let alone what to do with it.