problem with my left xenon: Update-fixed!

[PeteG]

Originally Posted by rayxi

I had a similar problem on my E46. Could be just a mechanical contact problem. This is consistent with the temperature correlation of the symptom. As the engine heat warms up the metal it expands to give better contact. I unplugged, cleaned and replugged the connector and the problem hasn't returned.

Thanks! great idea to check.

Now, when you say connector, do you mean where the ballast plugs into the wiring harness/plug? If not, where?

I will work on ASAP! I'll let you know how it worked.