Yunll One Color Xenon Ballast Oem Headlight Module Unit 4Bo 941 471 4B0941471 Ballast D2s D2r For 528I 540I For A6 For S6 For For Quattro

YUNLL

Ballast headlight control unit, clear and bright light can help you identify the road ahead and obstacles more clearly, improving driving safety The headlight control module, or HID power regulator, provides the voltage required to activate the headlights and regulates the current to the headlights once they are illuminated OEM headlight module unit 4BO 941 471 4B0941471 ballast D2S D2R for 528i 540i for A6 for S6 for A6 for Quattro Function: automatic ballast, current controllable, output disconnection protection function. Features: automotive ballast, high hardness technology, economical and practical., Manufacturer: YUNLL