Could this be an easier angel eye for headlights that can't be opened? Just place the bulb in and it has a ring on it? Forgive me I'm green here.

2X 7W CREE LED Angel Eyes Halo Ring Marker Light for BMW E39 E53 E60 E61 E87 | eBay

And has anyone ever used this on their non aluminum running boards?

Aluminum Running Boards For E53 - BMW X5 SAV - 2000-2006 From bimmian.com

If so how do you like them? Do they hold up well?

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X5 4.4i DOP:07/03