Update here. Local BMW Tech used my Daos harness to make this work....and it does. BUUUT he keyed the power off of the DRLs, which kinda defeats the purpose. Will be looking to retap the power source into another accessory wire when I find one, code out the DRLs, and it'll be done.
'03 330xi 6MT Gray/Green Metallic
'08 X3 3.0si 6MT Titanium Silver Metallic