Replacement original ballast, straight swap over plug and play. Used to replace faulty Xenon HID Ballasts found under the headlamp itself. We have a large range of replacement lighting components, feel free to contact our technical team who are waiting. Compatible with the following vehicles and more: 2005-2008 Audi A6 / S6 2004-2008 Audi A8 / S8 2003-2005 BMW 5 series (E60) 2002-2004 BMW 7 series (E65 E66 E67 E68) 2004-2006 BMW X5 (E53) 2003-2007 BMW Z4 (E85 E86) 2002-2006 Ford Focus 2002-2007 Jaguar S type 2002-2007 Jaguar X type 2006-Present Land Rover Range Rover Sport 2006-2008 Mercedes CLS Class (W219) 2003-2006 Mercedes E Class (W211) 2002-2008 Mercedes ML Class (W164) Technical Spec: Input Voltage: 9-16V Max Input Current: 6.5A~8A Instant Start Voltage : ≥23KV Frequency: 250250±10Hz Output open circuit protection: ≤1S Output short circuit protection: ≤1S Input reverse voltage protection: ≤1S Operating Temperature: -40℃~105℃ Life: ≥3000HRS