They sure are an improvement, but almost all aftermarket projectors are designed for halogen bulbs (not as much wide angle as the OEMs, but they're ok). OEM color is 4300K by the way, light output is better with the 4300Ks than the 6000Ks.
Black Sapphire MetallicNatural BrownSilver Cube
e46 330i ZHP/6MT - Sold
M3 - RIP
Alpine WhiteTanSand High Gloss e46 330i SlickTop/5MT - Sold
Black Sapphire MetallicNevada BrownDark Bamboo e70 X5 xDrive4.8
Alpine WhiteCoral RedAluminum f30 328i Sportline/6MT