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hb3 or hb4

  1. Best headlight bulbs in 2014 for 916 Spider hb3 9005

    Alfa GTV & 916 Spider
    Hi, Amazingly my original headlight bulb has lasted me since 1999 but last night my passenger side bulb blew :-( So I am looking for new bulbs and so far have come up with a choice between: OSRAM NIGHT BREAKER UNLIMITED or Ring Xenon Ultima I can't find any up-to-date reviews and wondered...
  2. Headlight bulb HB3/HB4 confusion

    Alfa GTV & 916 Spider
    I've been researching fitting HID Xenons to my GTV and then realised that there was a LOT of confusion regarding the correct headlight bulbs on the GTV!:confused: I have put some information together after consulting Osram in South Africa as well as Alfa Romeo South Africa regarding the issue...