BMW Bi-Xenon Headlight Assembly - Magneti Marelli 63117377851

Product Information

Most US market cars after 1984 transitioned from sealed beam headlights to headlight assemblies. A headlight assembly generally consists of a headlight housing, lens, mounts, adjusting units, and a reflector. While some Halogen headlight assemblies may come with bulbs, most HID headlight assemblies do not include bulbs or other electrical units, making it important to check to see what is included before ordering. A good condition headlight assembly is important for both night time visibility as well as good vehicle aesthetics.

• Cracked, delaminating, or damaged lens: The headlight assembly is mounted at the most vulnerable spot on the car. If it becomes broken or damaged by road debris, it should be replaced.
• Condensation: Moisture or condensation inside the headlight assembly indicates a failing seal or crack in the housing.
• Headlight Alignment Issues: If the headlight assembly is damaged, misaligned, or loose, the headlights may not properly focus the light on the road, causing poor visibility.

About Magneti Marelli

For over 100 years Magneti Marelli has excelled at the design and manufacture of hi-tech automotive systems including acting as an OEM (original equipment manufacturer) of lighting systems for all major car manufacturers worldwide including Audi, BMW, Honda, Land Rover, Mercedes, Toyota and Volvo. The lighting division of Magneti Marelli is located in Reutlingen, Germany where they design the lighting as well as the manufacturing process. Then there are 16 manufacturing factories globally where they manufacture headlights, turn signals, light bulb signals, and tail lights. Magneti Marelli brand OE lighting equipment may be packaged underneath Marelli's brand Automotive Lighting after to recent merger with Calsonic Kansei in 2019, and restructuring of the branding to suit new OE technological progress.