This headlight assembly is a direct replacement for the front left side of a 2004-2007 BMW 530i. It includes 3 bulbs and a ballast, and features DOT-certified Xenon lighting technology with clear lens and black housing. The assembly is mounted with screws and fits specifically on the driver side of the vehicle. Items included in this sale are the bulbs, ballast, and headlight assembly. Please note that this is a factory headlight with halo headlights and is not a performance part. The seller provides a 30-day warranty and the item is not a vintage or modified part. This headlight assembly is suitable for use on the specified BMW model and can be purchased with confidence.