Not sure if they are the same as I am unable to view the video clips but the diagram looks like the 19's that are available on the A3 Saloon, on my spec descibed as "19" x 8J â5-arm "Wing"â design high gloss titanium alloy wheels with 235/35 R19 tyres"
Code for those in the brochure is C7D.
They are pictured on page 46/47, link to the brochure here
http://www.audi.co.uk/content/dam/audi/production/PDF/PriceAndSpecGuides/a3-saloon.pdf