Several control and safety circuits are integrated in the unit. Control Unit/Software must be trained/updated , Rated Voltage [V]: 12 Control unit / software does NOT have to be taught / updated Hella Set of 2 Front High Intensity Discharge HID Lighting Ballasts for VW/ Audi Replacement Xenon ballast Unit 5DV00829000 for Audi, BMW, Jaguar and Mercedes. £54.00 inc VAT. Availability: In Stock As a leading supplier for the independent aftermarket, HELLA also impresses with xenon ballasts. Xenon headlights bring significantly more light onto the road than classic halogen headlights. Audi A3 (8P1) (please check exact vehicle application) The independent aftermarket also benefits in particular from this long-standing original equipment expertise - because HELLA successfully transfers its comprehensive OE know-how to this area and makes optimum use of the existing expert knowledge in this way. Leading supplier for the independent aftermarket Which xenon ballast goes to my vehicle? Compatible OEM numbers: You may also like... Improved overheating protection for longer life compared to OE products , Reduction of emissions , Higher performance , fits e., g. Audi A3 8P1 Ballast HELLA 5DV 007 810-01 XENON BALLAST CONTROL UNIT | United Marine Services Xenon Headlight Control Unit