PIAA's Xtreme White Plus H7 with a Kelvin rating of 4000K provides an intense white light and the superior performance of Xtra Technology. So lose those boring factory bulbs and upgrade to PIAA's Xtreme White Plus H7 and experience the difference.
Wattage= 65W = 120W XTRA, 4000K
Technology= Xtreme White Plus
Please see the Sierra BMW Bulb Application List if you're unsure what bulb your machine requires.
PIAA H7 Xtreme White Plus Bulb Kit
Produced by PIAA of Japan