What filament bulb do I need for 2003 BMW X5

Asked by Oct 12, 2015 at 07:45 AM about the 2003 BMW X5

Question type: Maintenance & Repair

My rear brake lights keep blowing out.  I believe the wrong filament was used in a previous repair.  Should I be using a 2 filament bulb for the brake light.  I may need to replace the socket also since it keeps blowing out.

5 Answers


"Blowing out" like a candle? Just kidding- from the git-go don't just start guessing- find the short and fix it-

2 of 2 people found this helpful.

ok, so I'm a female and not mechanically inclined, couldn't it just be the socket?


is it a 1 or 2 filament bulb...my owners manual does not tell me, and I believe it blew out because the wrong one is in there, so I think the socket is bad.


Did you take the lens off and look at it already? It might be more complicated than that, just to get to it- you can take the other side off and see if it is a 1 or 2 filament bulb- really, that would not blow it- and the only way sockets go bad is if they get corroded and lose contact- then the bulb just goes out- you said a "previous repair"- so somebody else fixed it? If you are not mechanically inclined, maybe just get a good mechanic- it might be a short in the wiring somewhere- good luck-


ok, I will check all that... Thank you very much!

1 of 1 people found this helpful.

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