So as diskussed over a lot pages on other place in this Forum.
ACC Upgrade is possible on all T6.
Its sometimes more work, sometimes less.
So:
- ABS Change is never needed (we thought in the beginning that it is, but it's not)
- Obviously you need the Sensor and the Sensor holder and the Bumper with the hole for it, and all the cabling, if you only have City-Breaking than this is all there already
- With City Breaking only Changing the Steering-Wheel to the one with the ACC Buttons (only the one from T6 works !)
- the Rest is Coding and Magic Hacking