Sorry to dig up this old thread, but I recently had a blown low beam on my 2013 Focus ST, and decided this was as good a time as any to 'upgrade' to some LEDs.
I bought a set of Hikaris from Amazon, which were getting very good reviews.
Long story short, they seem well built, but give the expected "low beam bulb fault" error, and won't run. I bought a USB programmer cable (my BT adapter wasn't fast enough), and used the instructions in the sticky to flash the BCM to the "alternate HID" option, as well as enabling global windows, so I could tell for sure that the parameters stuck.
So now the lights stay on, but I still get the bulb fault error. It's super annoying, and I for one am not willing to endure that pop-up every single time I start the car. I'm also not a fan of the resistor option, since everything in that area is plastic, and by all accounts these things get fairly hot.
So what's the correct way to get it to actually honor the setting from the BCM and ignore the current draw from the LEDs? I noticed that there was another HID-related option in Foccus, but I don't recall what it said exactly. Perhaps that would be an option?