Originally Posted by LTCOliverNorth
For those with errors after installing HIDs, I just came across these Canbus error cancellers, haven't tried them so I can't say they'd work, but if you Bing "HID Error Canceller" you'll see they are used in Canbus equipped cars.
"Also they will eliminate "Bulb out" warnings or "bulb failure warnings in Mercedes, BMW and other cars."
Tried them, and it made no difference with the 55W high beam I had (tried 2 different ballast/igniters).
Switching to a 35W ballast/igniter was the only thing that worked for me.