HID Xenon Headlight Ballast - Control Unit Module - Replaces 307 329 153, 307 329 193, 63 117 182 520, 8J0 907 391 - Fits BMW 328i, 335i, M3, 645i, 650i, X5, X3, Cadillac DTS and more - Years 06-2011

• REPLACEMENT HID OR XENON BALLAST - is responsible for supplying power to your headlight's bulb. Overtime your HID Ballast can fail resulting in a headlight that flickers or does not turn on at all. Every ballast is designed to connect directly to your vehicle and requires NO programming or coding.
• FITS THE FOLLOWING VEHICLES - 2006 - 2010 BMW 328i | 2006 - 2010 BMW 328xi | 2006 - 2010 BMW 335i | 2006 -2010 BMW 335xi | 2006 - 2010 BMW M3 Coupe & Convertible | 2008 - 2009 BMW 645i & 650i | 2008 - 2009 BMW M6 | 2007 - 2009 BMW X3 | 2007 - 2010 BMW X5 | 2006 - 2011 Cadillac DTS |.
• REPLACES PART# 307 329 153, 307 329 193, 63 11 7 182 520, 8J0 907 391, 1307329153, 1307329193, 63117182520, 8J0907391 - Each of your vehicle’s headlights has its own ballast. These ballasts are commonly mounted either on the back or on the bottom of the headlights. While the HID Xenon Ballasts do commonly fail so can your factory headlight bulb.
• OEM FIT, QUALITY, FINISH - This AA Ignition HID Xenon Ballast is a direct replacement for the ballast on popular BMW & Cadillac vehicles including models with years 06, 07, 08, 09, 10, 11.
• LIFETIME WARRANTY - This HID Xenon Ballast comes complete with a lifetime warranty. If the ballast ever fails simply contact us for a replacement. Please make sure that the part you are replacing looks exactly like the one pictured. Save hundreds off of dealer prices by replacing the part yourself.