Originally Posted by
LeeT5
I wouldn't advise doing that. The bulbs take at least 15 seconds to fully warm up and if you fit to the high beam you won't get that instant light that you need when driving on country lanes because the time needed for the bulb to ignite and warm up. You'll find that when you flash people, the response of the ballast and bulb igniting is nowhere near quick enough and so you'll get a very faint flash and in my experience (with HIDs on my van) other drivers may not even notice you flashing them!
Stick with the oe high beam bulbs. TBH, the amount of time driving round with high beams actually on, doesn't warrant the HIDs being fitted. Unless you live in the middle of nowhere 20 miles from the nearest street lamp and no other cars around to come the other way.