- Headlight Replacement: The headlight control unit is a crucial component of your vehicle's lighting system. It provides the necessary voltage to ignite the bulb and regulates the electrical current once the light is on. A malfunction can lead to bulb failure. Each unit is designed for a direct fit with your vehicle, requiring no programming or coding. - Durable Construction: Made from high-quality aluminum, this unit ensures excellent heat dissipation and resistance to vibrations. It features six protective functions against overpressure, low pressure, overheating, idle conditions, short circuits, and reverse polarity, enhancing safety and longevity. - Model Compatibility: This headlight control unit is compatible with the following vehicle models: - 2013–2017 for -5 - 2013–2015 for -9 - 2012–2015 for -- - 2013–2016 for -Z - 2012–2015 for -V - 2012 for 2014 - Part Numbers and Easy Installation: The product corresponds to replacement part numbers W3T21571, W3T23371, W3T22371, W3T24571, W3T24771, 33119--G01, BHN3-51-0H3, KD53-51-0H3, 8301C463, and 8301C770. Installation is straightforward, allowing you to quickly restore your vehicle's lighting performance. - Practical Applications: Ideal for replacing a malfunctioning headlight control unit in your vehicle, ensuring optimal visibility and safety during night driving. Perfect for restoring functionality in older models that may experience electrical issues related to lighting systems. Suitable for DIY enthusiasts and professional mechanics alike, this unit simplifies the repair process without the need for complex programming.