very nice work.
You guys complaining about the price.. things cost money and so do the creator's time and effort. $75 is a reasonable price to pay to avoid cutting wires and gaining RCA outputs. you can also return to stock for the next owner.
They have a value in the mass market too.. Good stereo shops
should use these and stop hacking factory harnesses up.
GT1/ISIS/MoDiC = Factory authorized diagnostic system used by BMW dealerships across the world.
NCS Expert = BMW Factory R&D programming tool available on the internet (not intended for the public and not available to the dealership network)
OEM = Genuine BMW part only available from a franchised BMW dealership.
DME = Engine Management Computer