Yes you can remove them. Need to cut the old lenses off. I used a dremel. Changed lenses and painted the internals and added a new led halo while I had them out. Worth doing it!

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Current:
2008 BMW X5 3.0 Space Grey/ Tan
2009 Audi A4 2.0T Ibis White/Black
2017 Porsche Macan Black/ Garnet Red

Past:
2013 Mercedes C300 Palladium Silver/ Black-- sold & missed
2011 Buick Regal-- sold
2006 Jeep Liberty Limited White/ Grey -- RIP
2004 Jeep Liberty Limited Blue/ White-- RIP