[propogandapand4]

Hey so i have e91 lci with bi-xenons, one of the bulbs is dying, its purple colour at the moment so iam wondering what bulb do i need to get?? is it D1S type of connection? And also iam wondering how bixenons work? is there some kind of filter that filters light particles when you are using low beams or bixenon just starts shining brighter when you turn on high beams? thats for anwers guys