The Litronic Gen 6 ballasts are OEM for late-model Volvo, Mercedes, and BMW cars with factory HID headlights. Replacing these ballasts is costly, often around $400, as their lifespan is limited. An affordable replacement ballast matches OE specs and functions, saving on cost. Replacing both ballasts and bulbs is recommended due to a 2000-hour run time. Vehicle owners should verify compatibility, and umnitza is a trusted source for high-performance lighting products with a reputation backed by extensive testing and enthusiast expertise.