HID headlight ballast replacement. Headlight Control Unit, a crucial component of the HID lighting system, provides the necessary voltage to start the lamp and regulates the electrical current once the light is on. A failed ballast can cause bulb failure. Each ballast is designed for direct vehicle connection with no programming or coding required. Replace Part Number: 63126948180, W3T13271, 6 948 180, 626.11.104.99, 63 12 6 948 180 Compatible with the following models: 2006–2008 BMW 3-series (E90 / E91) Sedan and Wagon only (not for Coupes or Convertibles) 2007–2015 Volvo S80 2008–2015 Volvo V70 2008–2015 Volvo XC70 Premium quality construction using high-grade aluminum for improved heat dissipation and vibration resistance. Built-in protection against overvoltage, undervoltage, overheating, no-load, short circuit, and reverse polarity for enhanced safety and durability. Fast startup and stable performance. Integrated high-pressure ignition system improves current conduction speed, reduces power consumption, and ensures reliable starting. Sealed design protects internal components from dust and moisture in harsh engine environments. Specifications: Power: 35W Beam angle: 360 degrees Waterproof rating: IP68 Operating voltage: DC 12V Working temperature: -40°C to +80°C Housing material: Aviation-grade aluminum Fitment details: For Volvo: 2008–2015 XC70 3.2 Wagon 2009–2015 XC70 T6 Wagon 2008–2015 S80 T6 Sedan 2007–2014 S80 3.2 Sedan 2007–2010 S80 V8 Sedan 2008–2009 V70 3.2 Wagon 2012–2013 S80 Base Sedan 2014–2015 S80 Luxury Sedan 2007 XC70 2.5T Wagon 2007 XC70 Base Wagon 2010 S80 Base Sedan 2011 S80 Addition Sedan 2011 S80 Kinetic Sedan 2013 S80 Evolution Sedan 2015 S80 T5 Sedan 2015 XC70 T5 Wagon For BMW: 2007–2009 328i Base Convertible/Sedan/Wagon 2007–2008 328xi Base Coupe/Sedan/Wagon