Halo Lights LED 70mm Switchback Four Diode Dynamics Chrysler BMW / M-B Owners: Because

BMW / M-B Owners: Because of the way the original halogen bulb clips into the housing

and unmatched longevity

Polarity: Full Nonpolar (Standard and CK compatible)

Ceramic based bulbs for long life

and they come with a reassuring 2-year warranty

Halo Lights LED 70mm Switchback Four Diode Dynamics Chrysler BMW / M-B Owners: BecauseHDHalo Technology. These HD LED halo rings have been designed from the ground up to be absolutely the brightest, most reliable halos physically possible. Each halo is populated with a large number of high density (HD) LEDs, which are then coated by a diffusing gel, resulting in a perfectly uniform light when turned on. When off, the diffusing gel hides the chips, resulting in a clean, OEM appearance. Sizing: All sizes are listed by outside diameter,