I installed a driver's side fog light in my '90 325i the other day and it worked for a few hours until I blew the fuse. I replaced it with a new one, but when I turned the fog lights on the new fuse blew in about half a second. Could this be a short in the wiring? And if so, is there a common place that fog lights short out?
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Are these factory fogs, or aftermarket?
If factory, could be a bad relay. Or like you said, a short somewhere. Just going to have to trace the wires.
If aftermarket, where are you running power from? -
They are the same as the originals, just new (not made by BMW). I just plugged them into the cord where the originals plugged in. Its a black wire with a blue plug at the end?Comment
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Are you sure you are using the correct rated fuse? Maybe the new lights are higher wattage and thus draw more power? Otherwise, you have a short somewhere.Comment
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So what happened? Were you able to fix your fog light issue? If so, what was it? I'm having the identical problem :(1991 318i Sedan
2005 X5 3.0i Sport
2010 328i M-Sport Touring
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I had the same problem with a set of used fogs I bought. Turns out the PO had installed higher wattage replacement bulbs. I put the correct bulbs in and they work fine now.sigpic
January 2012 COTMComment
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