I had a mini till recently with them bulbs, when switching cars I specifically said to dealers I needed to test them at night (well dark) as I needed to test the cars.
I went with Audi in the end, as I basically found no real difference between manufacturers, although some seemed nigh on blue for some reason which I found wasnt as good, but that could just be me. Easy fix to change the "temperature" of the lihgt
My conclusion was LED/Xenon pretty much no diff, same clear cutoff of light etc The only advantage I could really see was with the shaping etc that some of the LEDs will do, although always an extra at this point I think (don't quote me on every manufacturer)
Going back to the bulbs you have vs my new car, there is more light from xenons /leds which is mainly outside the main driving line so you get a better wider view, just feels like you can see more but the distance if anything feels more marked at the cutoff point as its so distinct rather than kind of fading out you seem to get with Halogen. Those philips I found kind of created a focused area a decent distance in front of the car which was clearly brighter. Felt more like you were aiming at a point all the time subconciously.
Driving down unlit country roads as i do (which is why the lights were part of buying a car for me) I am almost tempted to say the Philips xtreme were better. When there is oncoming traffic however the wider spread of the xenons/leds makes it easier to keep your bearings so to speak as you have a wider field of view rather than a narrow one with halogens.
Ive seen some testing on the LED replacements for H4 etc. As they are technically illegal in the UK no mainstream manufacturer seems to sell them. When you go to the imported ones you run into quality issues it seems. The main guy I saw testing them was in a TVR as they had woeful lights. He was doing in properly with the proper gear. Some he never managed to align properly, some he did, he did say he was repeatedly flashed with people assuming the full beam was on even when it wasnt and when the bulbs were properly aligned.
![[TW]Fox](/data/man-of-honor/2009.png){kind=avatar}
