1、OE Number: The referencing OE number of this headlight ballast control unit are 5DV00829000, 5DV008290 00, which is molded depend on the original data. 2、Fitment: The xenon hid headlight control unit is a replacement for Maserati Quattroporte 2005‑2008, for A6 S6 2005‑2008, for A8 S8 2004‑2008. 3、Function: Convert voltage, stabilize current and protect pulse surges to ensure that the headlamp works in a safe environment and extends the life of the headlamp. 4、Ideal Replacement: Suitable for D2S D2R lamps, can be mounted on left or right headlights, plug and play, no coding or programming required. 5、Durable Material: Has good heat dissipation, vibration resistance, oxidation proof, and can withstand the wear and tear of rugged road surface and the test of time. Item Type: Headlight Ballast Control Unit OE Number: 5DV00829000, 5DV008290 00 Material: Aluminium alloy Bulb Type: D2S D2R Fitment: Replacement for Maserati Quattroporte 2005-2008 Fits for A6 S6 2005-2008 Fits for A8 S8 2004-2008 Fits for 5-ER (E60): 2003-2005 Fits for 7-ER (E65, E66, E67, E68): 2002-2004 Fits for X5 (E53): 2004-2006 Fits for Z4 (E85, E86): 2003-2007 Replacement for CHRYSLER PACIFICA: 2004-2006 Replacement for FORD FOCUS: 2002-2006 Replacement for JAGUAR S-TYPE: 2002-2007 Replacement for JAGUAR X-TYPE: 2002-2007 Replacement for RANGE ROVER SPORT: 2006 Fits for CLS-CLASS: 2006-2008 (W219) Fits for E-CLASS: 2003-2006 (W211) Fits for ML-CLASS: 2002-2008 (W164) Fits for GL-CLASS: 2007-2008 (X164) Fits for R-CLASS: 2006-2008 (W251) Fits for SLK-CLASS: 2005-2008 (R171) Replacement for SAAB 9-3: 2003-2007 1 x Headlight Ballast Control Unit