Interpreting Audi's order system

[Dan Masi]

> WM2  <-- Anyone recognize this one?
> 3Y5
> 
> He thinks he's got most of the list translated to the corresponding
> options that he ordered, but can't quite figure out what 
> "WM2" might be?
> 
> Anybody familiar with Audi's ordering codes (or who ordered a car with
> that option) able to shed any light?

While I don't know for sure, I believe this is a leather/trim
code (i.e. leather seats in such-and-such an interior).

Dan Masi