About This HEADLIGHT BALLAST FITMENT - The HID ballast compatible for B-MW 328i 07 08 09 10 11 for B-MW 328i xDrive 09 10 11 for B-MW 328xi 07 08 for B-MW 335d 09 10 11 for B-MW 335i 07 08 09 10 11 12 13 for B-MW 335i xDrive 09 10 11 12 13 for B-MW 335is 11 12 13 for B-MW 335xi 07 08 for B-MW M3 08 09 10 11 12 13 for B-MW X5 06 07 08 09 10 11 12 13 for B-MW X6 08 09 10 11 12 13 14 for B-MW Z4 08 09 10 11 12 13 14 15 16 OE REPLACE PART NUMBER - 63117182396 HEADLIGHT BALLAST FUNCTION - The ballast provides the starting voltage, regulates the voltage and current during operation to ensure consistent brightness without dimming, fading or flickering, and increases the life and energy efficiency of the lamp. Without a ballast, the lamp will burn out quickly NECESSARY REPLACEMENT - When a ballast begins to fail, it will often make a buzzing sound or cause the bulb to flicker. These problems can sometimes occur during normal operation, so it is important to inspect the unit before assuming it needs to be replaced ENSURE FIT - Please check picture,OE part number and fitment information to verify this is the correct one you need before your purchase Overview Brand : Hiolpen Light Source Type : High Intensity Discharge (HID) Vehicle Service Type : 2007 2008 2009 2010 2011 for B-MW 328i 2009 2010 2011 for B-MW 328i xDrive 2007 2008 for B-MW 328xi 2009 2010 2011 for B-MW 335d 2007 2008 2009 2010 2011 2012 2013 for B-MW 335i 2009 2010 2011 2012 2013 for B-MW 335i xDrive 2011 2012 2013 for B-MW 335is 2007 2008 for B-MW 335xi 2008 2009 2010 2011 2012 2013 for B-MW M3 2006 2007 2008 2009 2010 2011 2012 2013 for B-MW X5 2008 2009 2010 2011 2012 2013 2014 for B-MW X6 2008 2009 2010 2011 2012 2013 2014 2015 2016 for B-MW Z4 2007 2008 2009 2010 2011 for B-MW 328i 2009 2010 2011 for B-MW 328i xDrive 2007 2008 for B-MW 328xi 2009 2010 2011 for B-MW 335d 2007 2008 2009 2010 2011 2012 2013 for B-MW 335i 2009 2010 2011 2012 2013 for… See more Year : 2007 Special Feature : Lightweight Wattage : 70 watts Auto Part Position : Front Lens Material : Polycarbonate Item dimensions L x W x H : 5.51 x 4.33 x 2.36 inches Unit Count : 2.0 Count
