4E0941471, 4E0907476 Xenon HID Headlight Ballast Unit Assembly with Bulb Igniter Socket Compatible for 12-15 3 Series 320i 328i 335i

— Provides long term reliability.— Runs the bulbs at the coolest possible operating temperatures, aiding in the longevity of crucial reflective finishes inside the projectors.— Produces a light output that’s still more than adequately bright, especially when coupled with a good set of projectors.— Bulbs will run at their rated Kelvin/color temperature.

• 🚗【HEADLIGHT BALLAST REPLACEMENT】A functioning headlight ballast is essential for the security and performance of your car. If you do not use the ballast, there will be nothing to regulate the electrical power and the bulb may use more energy and burn out quickly.If you're experiencing flickering, dim, or non-working headlights, it may be time to replace your headlight ballast.It can avoid the expensive repairs caused by electrical damage.
• 🚗【SUPERIOR PERFORMANCE】The headlight ballasts offer 44 types of protection against overvoltage, undervoltage, overheating, no-load, short-circuit and reverse connection protection. Optimized control module provides stable illumination, improving nighttime driving safety and enhancing overall driving experience.
• 🚗【HIGH-QUALITY MATERIALS】 This ballast is made of premium aluminum for better heat dissipation and vibration resistance, high strength, sturdy and durable. The internal waterproof circuit board is treated with adhesive glue irrigation, which will protect internal electronic components from oxidation and aging and reduce vibration.
• 🚗【COMPATIBILITY】Fit for 2005-2008 A6/A6, For 2004-2008 A8/S8, For 2003-2005 5 series (E60), For 2002-2004 7 series (E65 E66 E67 E68), For 2004-2006 X5 (E53), For 2003-2007 Z4 (E85 E86), For 2004-2006 Pacifica, For 2002-2006 Focus, For 2002-2007 S type, For 2002-2007 X type, For 2006 Range Rover Sport, For 2006-2008 CLS class (W219) R class (W251), For 2003-2006 E class (W211), For 2002-2008 ML class (W164), For 2007-2008 GL class (X164), For 2005-2008 SLK class (R171), For Saab 2003-2007 9-3.
• 🚗【OE PART NUMBER】4E0941471, 4E0907476.Direct replacement Headlight Ballast Control Unit Module is made to match the function and appearance of the original equipment part.