You don't need the canceler. Rthats a waste of money. I forget the ne'er but look it up its under te hid retrofit under the DIY section.
I have HIDs and I use a capacitor instead of the code eliminator.
Only about $2 per cap.
After I installed those, my lights dot flicker, nor do I get an error light.
05 M3 TiAg 6MT.
exhaust and tune making 312whp.