Yeah, later today I ran across that thread that talked about the gasket. That was it, with oem gasket it went on like butter. very weird some go on easy and others don't! Maybe XD stocks that bulb with a runner gasket and someone pulled from the wrong bin?
Anyway does yours have a bright spot and dark spot? Shabby sketch but the arrow points to a bright spot, then just further out is a dark area the follows everywhere on the road. I'm gonna ask them for a new bulb but should be interesting as they haven't called back since yesterday lunch time. lousy customer service!
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Mine has that same weird lighting going on. I was going to email and ask about it because I don't remember my Philips 43K doing that.
