HID Adapter: BMW E39: H7 Chevrolet With a fully LED assembly

With a fully LED assembly

If your XB ballasts have stainless steel brackets / tech info on the back

slice off the excess with a razor blade for a clean

Using this harness reduces heat of the bulb and the module

HID Adapter: BMW E39: H7 Chevrolet With a fully LED assemblyBMW E39 Owners: Because of the way the original halogen bulb clips into the housing, an HID bulb won't be a direct swap without these adapters. Recommended: Check your headlights for a similar looking plastic part socket behind the bulb to identify whether or not you need these. All housings would take H7 bulbs, the original part extends the + connector towards the electrical socket By Design: Slotted design allows the wiring for the bulb to slide in