Troubleshooting Guide Resolving Xenon Bulb Problems

Yes, they burn out slowly like street lights not all at once like filament lights. Took it to the dealer and they replaced the bulb under warranty. All is good. The issue may be with the relay/fuse panel. A loose or corroided contact perhaps. What you could do is remove one fuse / relay at a time and look at the ... Brand new bulbs usually smoke a little to get all the dust/oil off. You are supposed to clean the glass with an alcohol prep pad before installing. Some customers mention the bulbs burn out after a month of use. Overall, customers are pleased with the quality and value of the product. AI-generated from the ... Usually when just a bulb is bad, it will still try to power on, just won't kick on to full power. The ballast will still try to light it off but ... there is no break in period. its just the bulbs heating up to operating temp and showing the true light color. I've found that the original bulbs take a while to burn out, but replacements burn out a lot faster. I even use gloves to put the bulbs in. Even if the bulb does burn out (and they can), the modular design allows bulb-only replacement, much like traditional headlight bulbs. Source: ... The problem is the ballast is at the bottom of the headlight and all the moisture ends up going to the bottom and pooling there which cause the ballast to burn ... My buddy stopped by today with his B8.5 S4, asking for my help with a burned out xenon headlight. After taking the airbox out, and pulling the ...