I would advise against it. I had this done on my previous car, which had HID projector headlights, and the light output was significantly diminished from the tint. I ripped it off within a couple of weeks.

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11' X5 35i Sport Activity - AW/Blk/Alum
06' Subaru Legacy GT - GONE
05' BMW X3 3.0 - GONE
01' Honda Prelude, modded - GONE