HID vs LED vs Halogen Headlights in Projector Housings - YouTube
Dim Headlight - BMW 3-Series (E90 E92) Forum
How To: Fix Dim Headlights - YouTube
Western Star 4900 Chrome Projector Headlight Assembly With Halo LED - Raney's Truck Parts
2015 Suburban LT with dim low beams. I upgraded bulbs to LEDs but no help. my 07 headlights are much brighter. It's dangerous they are so dim. Going to add a light
Do LED & HID Headlights Fade Over Time? - XenonPro.com