After some rather annoying experiences, I have to get rid of something...
We can all sing a song about the fact that our cars are not exactly savings miracles, after two years of unconditional economic efficiency my V8 in its fourth year also shows that he is just a car.
Parts are scarce and expensive, and some of them even live off the battle.
I can only make the following final recommendation in this respect:
When it comes to things like ECUs, body parts or what I know, they are new and priceless. What you can solder yourself (BOSE?) you should do, everything else will certainly make sense, doors, cardan, slices and so on.
But when it comes to QUEEN wear parts, I don't understand how to fill the savings stocking.
I've read here that some used UFOs fit in! ARGH! Guys, your life can depend on the brakes!!!
Used exhaust systems!!! Jemineeh, then one year later you have the same grunge again, or do you believe the barter lasts forever?
I put used shock absorbers in the front of the butcher because I was too stingy to spend 200 euros for two new ones. Great. What effect? Washed-out tires and now, just a year later, the same problem. It was worth it. Now I need not only new dampers but also new tires. Hello.
The classic OT-giver... They're all going down in time, so why a used part? Only to save 80 euros, where you can get so close to the 4.2 with climate that you are good and like two hours on the screw? It took me a year to get a new one. Now I know how to install it.
ABS sensors... If they are broken, they brake without a brake booster, so de Fakto brakes almost NOT in emergency situations. Life danger! Get out with the used crap and get to the Audi dealer, buy new ones!!! Or do you want to hold almost 2 tons of muscle power???
Used cooling water hoses, used heat exchangers, used actuators... Once you get the blower box out, because something leaks, you don't want it again so quickly! So please let's get new parts in, doesn't always have to be Audi, accessories are also possible. And hoses are going through at some point, only needed faster. And buy new hose clamps! Stellmotoren do not live forever either, sometimes not used at all. So screw again, great...
Used joint shafts are something else, they last almost forever, if you check the (new?) cuffs regularly...
But used wheel bearings??? Have you seen anything like this? This effort of out and repressing and then save 50 euros??? TZTZ. And please always make both sides, the other follows otherwise shortly afterwards.
Used crossbars? Used track rods? With an elaborate Quattro precision suspension? Crossbars cost completely 95 euros, track bars at the front or at the rear with two heads 60 euros. Is it really worth just making one side or building up an already eaten part??? Nope.
So, it's like a little sermon, and you can finally do what you want. But some should realize that they are driving an upper class car, because the maintenance costs accordingly much. And those who save on parts or puff, produce these classic 1000 Euro-V8s, ridden down, tinkered and with repair stowage. So am I. I admit it, and now I'm paying the price.
But now it's over with cheap, just what I invested in double working hours (keyword used gasoline pump, even if it was a fun evening, but four guys spent almost 6 hours in my Tang!!!).
I need to calm down...

What I'm saying is, none of us can suck money, and many love this car and try to drive it with little money. Okay. But the bill certainly comes back twice, you should just be clear about it and maybe put a little money aside at times. If you look here and there in the accessories, there are often half the prices of Audi. And with the new parts, I know they'll leave me alone for the next 10 years (except for certain gasoline pumps, but that's where you work...).
So please provide reasonable replacement for the important wear parts that affect driving safety. You will thank each other, believe me!
Don't be angry, that was just an experience report from one who has already been using and again broken used parts for two months every weekend and swaps for new goods. As if you had nothing else to do... I don't just want to screw, I want to FEEL, and this is going to be so slow again...

Sandman

... das war der Jens