Bi-LED Projector Lenses vs LED Bulbs: Which Retrofit Wins?
The debate between installing drop-in LED bulbs and retrofitting a complete Bi-LED projector assembly continues to shape the automotive lighting aftermarket. While LED bulbs replace only the light source inside an existing headlamp housing, a Bi-LED projector retrofit introduces a new optical system designed to control and distribute light through its own reflector, cutoff mechanism,…









