one bulb of left headlight projecting purple light...why??

[RSpanner]

 

[RSpanner]

Just read that its' a defective bulb..never mind. Mobile Service coming.

 

[iwannam3]

White is made up of multiple LEDS each with a different color. One is burned out.

 

[TomT]

White is made up of multiple LEDS each with a different color. One is burned out.

No, it works the same way as LED and laser video projectors. The blue light excites a phosphor that produces white light. In this case, the phosphor transducer has failed.