I don't want to disappoint you, but I'm currently using a red lens, and while it was a perfect match with the orangy colour of my former BMW's dash, it's too orangy to be a nice match with my current Alfa Romeo's dash. If I'm not mistaken, the deep red of my Alfa if about the same as Audi's deep red.
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Riocar 80gig S/N : 010101580 red
Riocar 80gig (010102106) - backup