Having no direct experience with Ebay Specials, I can not say. But having bought LED bulbs off of Ebay in the past for other applications, let's just say you are better off buying stuff from trusted brands rather than some suspect knock off product from certain parts of Asia. And this is being said by an Asian. I had a single PIAA LED wedge bulb in my Passat's Turbo gauge and that thing lasted for over 4 years. Never had to replace it.

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2004 X5 4.8is
1995 Audi S6 Avant