[Replacement HID Headlight Ballast] The headlight control unit, a crucial part of the HID lighting system, provides the voltage needed to start the lamp and regulates the current once it's on. A faulty ballast will cause the bulb to burn out. Each ballast is designed to connect directly to your vehicle and requires no programming or coding. [Replacement Part Numbers and Easy Installation] 5DV009720-00 5DV00961000 13278005 1232335 1Z0941641B 5M0907391 63117248050 A000821256 7PP941597 [Premium Quality] for better heat dissipation and vibration resistance, 6 protections against overpressure, underpressure, overheating, no-load, short circuit, reverse connection for more safety and durability [Quick Start and Safe Stability] built-in high-pressure case can speed up current conduction and save power consumption for quick start, can also protect the high-pressure case from dust and rain in the engine environment to improve safety Power: 35W Beam Angle: 360'' Waterproof: IP 68 Operating Voltage: DC 12V Working Temperature: -40, +80 Fitment: for: 5 Series: E60 / E61 6 Series: E63 / E64 7 Series: E65 / E66 / E67 / E68 X Series: E83 X3 / E83 X3 / E53 X5 Z Series: E85 Z4 Roadster / E86 Z4 Coupe for TT, A4, A6 4F, A8, S8 2004-07 for Range for Land Sport 2004-2006 for Focus - C-max, , Galaxy, Mondeo for Opel G/H, B, C, , for Scenic, 2, Espace for Almera, Primera for , Superb for , Golf IV, V (4, 5) for W200, W211, W220, W203, ML, W163, W164, W219, W171 2007-2008 2006-2008 class 2005-2008 class 2006-2008 R-class 2003-2006 E-class sedan 2007-2008 G-class and 2002-2008 M-class 2002-2008 ML-class 2006-2008 R-class R350 R500 2003-2005 E-class, E55, E500 E430 E350 E320 for Leopard 2002-2007 S-type and X-type for 2004-2006 for 2003-2007 9-3 for 2005-2008 Quattrop Color: Silver Material: Metal Package Contents: 1 * Headlight ballast Only 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.