Also on the instrument panel, I can see that I have the little markings in there for ACC but not sure if they light up yet.
If you already have cruise with brake function in KPH then the part number is the same. But for MPH cars, they don't list a different part for cars with ACC... so one can only assume that it's one and the same again.
See here ...
https://www.realoem.com/bmw/enUS/sho...diagId=62_0499