Before I even write this post, I'd like to apologize to sgoldste01 for not replying to PMs and posts about this intercooler TSB... I thought our 20 k mile service was going to be about 1.5 months ago, but my mom (her car) was stuck out of town at her mom's house due to health issues (all is well now). So I was waiting for her to come home, then get the service.
Anyway, my 20k service is done, and my HPFP didn't grenade on the way home!

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Results of 20k:
1. Tech said FF canister was clean. No water, and no mention of small shiny bits
2. Second successful oil change.. a little messy, but good for a dealer. Proper oil and amount too..!
3. Wheels rotated, steering
slightly off center (center the steering wheel, and the car steers ever so slightly right)... tread depth in the front both 7" out of 32" (2.5 feet of tread? lol) this is according to the "interactive vehicle inspection" checklist by the way.. and rears were 6" and 5" out of 32". I don't know why my left rear (according to the checklist) would wear more than the other, but that may account for the odd steering IF they took the measurements and wrote them down BEFORE they swapped tires (unevenly warn rears would now be on fronts) which could play with the camber, etc. I'll see how it is in a few hundred miles.
4. Nothing is broken yet
5.
"Installed: engine oil - quantity 4
Installed: screw - quantity 1
Installed: filter elem (element) - quantity 1"
repeat filter elem three more times ^ with same quantity.
What is a "screw" and four "filter elements? They most likely pertain to the FF canister, but what specifically?
6. Replaced (on our dime) wiper blades (and they didn't change the rear blade

!!!!) and proceeded to charge us $40 for two pieces of German engineered Bosch rubber..
7. No ECU (etc.) or DSG updates that I know of.
8. Car drives just like it did when I took it in, save the wheel issue.
Did not have a chance to discuss the intercooler TSB with anyone unfortunately, so it looks like this coming winter will be a cautious period of observation for me... (sgoldste01, lets stay in PM contact about Dorschel and Vincent.)
What a fun post to type. I love this car
*EDIT*
Oh, and for any DPF "enthusiasts" out there, my car was in a regen within 2.5-3 miles of a cold start this morning on the way to the dealer (instruments indicated engine was fully up to temperature when I noticed the regen.. elevated idle..) Ambient temp was maybe 78 F. Interesting (impressive!)