The product is a genuine OEM 2011-2017 BMW X3 Xenon Headlight Ballast Module Unit with the manufacturer part number 7255724. It has a wattage of 35W and features electric ballast technology, making it a reliable and efficient choice for your vehicle. With a voltage of 1200DCV/85ACV, this headlight ballast is designed specifically for BMW vehicles and is a perfect fit for those looking to replace or upgrade their existing ballast unit. Made in Slovakia, this xenon headlight ballast is a high-quality and durable component for your car.