[HID headlight ballast replacement]Headlight Control Unit, a crucial part of HID lighting system, provides the voltage needed to start the lamp and regulates the electrical current of the light once it is lit. A failed ballast will cause your bulb to burn. Every ballast is designed to connect directly to your vehicle and requires NO programming or coding. [Premium quality ]made of premium aluminum for better heat dissipation and vibration resistance,6 protections against overpressure,low pressure,overheating,no-load,short circuit,reverse connection for more safety and durability [Fast startup & safe stability]built-in high pressure bag can speed up current conduction speed & save power consumption for fast startup,also can protect high pressure bag from any dust & rain in the engine environment to enhance security Power: 35W Beam angle: 360 degree Waterproof rate: IP 68 Operation voltage:DC 12V Working temp: -40 Celsius, +80 Celsius Part Number:63126948180, W3T13271, 6 948 180, 626.11.104.99, 63 12 6 948 180 Fitment: for Volvo XC70 3.2 Wagon 2008-15 XC70 T6 Wagon 2009-15 S80 T6 Sedan 2008-15 S80 3.2 Sedan 2007-14 S80 V8 Sedan 2007-10 V70 3.2 Wagon 2008-09 S80 Base Sedan 2012-13 S80 Luxury Sedan 2014-15 XC70 2.5T Wagon 2007 XC70 Base Wagon 2007 S80 Base Sedan 2010 S80 Addition Sedan 2011 S80 Kinetic Sedan 2011 S80 Evolution Sedan 2013 S80 T5 Sedan 2015 XC70 T5 Wagon 2015 for BMW 328i Base Convertible/Sedan/Wagon 2007-09 328xi Base Coupe/Sedan/Wagon 2007-08 335i Base Convertible/Coupe/Sedan 2007-08 335xi Base Sedan 2007-08 325i Base Sedan 2006 330i Base Sedan 2006 330xi Base Sedan 2006 335i M Sport Sedan 2008 335xi Base Coupe 2008 328i x Drive Base Coupe/Seda