It looks like it's an official Audi Accessory. Agreed. I bet it was indeed a dealer add if it came like that at delivery. It other words, probably tacked on the purchase price somewhere. Unless some models happen to have them from the factory, but they'd normally note that. Bit pricey for what it is, but I guess we shouldn't be surprised.

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Those projected puddle logos do look neat. Of course, would be nicer if it were factory.
Designed and engineered to make a statement every time you begin or end a journey in your Audi, Audi Beam is a must-have for all Audi enthusiasts. Replacing the factory puddle lights soft glow with a concentrated beam proudly displaying the Audi logo, Audi Beam announces your brand allegiance in...
parts.audiusa.com
It's less if you google the part number, but still far from cheap.