[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.[Replace Part Number Easy installation ]63126948180, W3T13271, 6 948 180, 6261110499, 63 12 6 948 180[Fit The Following Models]2006-2008 3-series (E90 / E91) Sedan and Wagon only (Not for Coupes or Convertibles) -- 2007-2015 S80 -- 2008-2015 V70 -- 2008-2015 XC70[Premium quality ]made of premium aluminum for better heat dissipation and vibration ,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 consumption for fast startup,also can protect high pressure bag from any dust rain in the engine environment to enhance securitySpecification:: 35WBeam angle: 360 degreeWaterproof rate: IP 68Operation voltage:DC 12VWorking temp: -40 Celsius, +80 CelsiusShell meterial: aviation aluminumPart Number:63126948180, W3T13271, 6 948 180, 6261110499, 63 12 6 948 180Fitment:for 2008-15 XC70 32 Wagon2009-15 XC70 T6 Wagon2008-15 S80 T6 Sedan2007-14 S80 32 Sedan2007-10 S80 V8 Sedan2008-09 V70 32 Wagon-13 S80 Base Sedan2014-15 S80 Luxury Sedan2007 XC70 25T Wagon2007 XC70 Base Wagon2010 S80 Base Sedan2011 S80 Addition Sedan2011 S80 Kinetic Sedan2013 S80 Evolution Sedan2015 S80 T5 Sedan2015 XC70 T5 Wagonfor 2007-09 328i Base Convertible/Sedan/Wagon2007-08 328xi Base Coupe/Sedan/Wagon2007-08 335i Base Convertible/Coupe/Sedan2007-08 335xi Base Sedan2006 325i Base Sedan2006 330i Base Sedan2006 330xi Base Sedan2008 335i M Sport Sedan2008 335xi Base Coupe2009 328i x Drive Base Coupe/Sedan/WagonColour:SilverMaterial:metalPackage Contents:1 * Xenon Headlight BallastOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.