It depends on whether bi-xenon are required in your car or not. There is a difference between standard xenon bulbs and bi-xenon bulbs. see another quora thread for more info What is the difference between Xenon and Bi-Xenon HID Headlights? read more
Both Bi-Xenon and Xenon headlights are identical in terms of the type of bulbs that are used. Bi-Xenon headlights use two bulbs. while Xenon headlights must use four bulbs. read more
– Both Bi-Xenon and Xenon headlights are identical in terms of the type of bulbs that are used. – Bi-Xenon headlights use two bulbs, while Xenon headlights must use four bulbs. – For low and high beams, Xenon headlights switch between their two sets of bulbs, and Bi-Xenon headlights utilize a mechanical system in order to set the beam of light. – Due to using more bulbs, Xenon headlights are more likely to fail than Bi-Xenon headlights. read more
Bi-xenon lamps use a single lamp on each side of the car, with a single bulb. Switching from low to high beam is accomplished either by moving the bulb, or moving the reflector to redirect the beam. Xenon lights obviously cost more, due to having four headlights and four bulbs. read more