Where did you read this if you don't mind sharing ?.
I think the hardware could be feasible and I would love to do this but I don't know of anyone that does a stand alone mechatronic controller for these boxes
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Compushift < COMPUSHIFT Sport and Pro Transmission Controllers and Transmission Control Systems > still only support the ZF 4HP transmissions but they're supporting other 6 speed transmissions now so perhaps the 6HP might come in the future.
It would of been on here more than likely.
Haltech now offer a direct plugin ECU to suit Barra 6's that also has an aditional plug for the factory harness and thus, controlling the factory Trans. So its doable, obviously, but is it avail stand alone???
Im sure some of the Bimmer blokes are tuning their ZF boxes somehow?