Near HID brightness with lifetime warranty! Extreme White color temperature 4200 degrees Kelvin. Up to 45% brighter than stock bulbs. Xenon boost burns brighter at factory recommended wattages without the heat problems of higher wattage bulbs.
-Extreme white 4900K
-Extend visual range up to 45%
-High quality USA tungsten filament, Corning optical glass
Limited lifetime warranty
Please see the Sierra BMW Bulb Application List if you're unsure what bulb your machine takes.
Extreme Xenon H4 DOT Super Spot
Produced by Wixtech of USA