Thanks for all the replies. It seems that body corrosion is not a major problem on the D2 and the fact that I can't see any on mine is reassuring.

I do expect to have to do something with the subframes at some point in the future, I think that's inevitable if keeping the car long term. I have already started collecting parts.

Just for information by the way. It seems, from what I have been reading, that salt water will remove the aluminium oxide that prevent further corrosion. Thus allowing further corrosion.

Cars that live by the sea, you know, like the magic dragon, may be more susceptible.

On that point. Has anyone else ever heard about these car wash places using recycled water? I read something a few years back that whilst they filter the water they cannot remove the salt from it. As the day goes on, the salt content increases. Are people using these establishments washing their cars with salt water?

Or am I just talking rubbish? Happy to be corrected.

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Pics show corrosion fwd of rear o/s wheel and driver's door skin- just fwd of door mirror.

Apologies for upside down pics - not sure how to rectify......I don't insert pics often .....

The car is booked into Preston Audi, in the middle of Jan, for a proper assessment and to see if this will be covered by the warranty.
I'm not raising my hopes!

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This is what I had on my D3, on the piece above the no plate.
I purchased a replacement part from prestige parts and sprayed it my colour (night blue) and good as new now.

I also removed one of the roof strips, which had slight corrosion present, rubbed it down, primed and painted etc. I'm struggling to find pics of that though.
These roof strips simply push fit into a shaped rubber seat which is wedged into the roof panel - very simple to remove, but, you need to be careful with these.

I really hope I don't make anyone feel worse than they already do but if I found levels of corrosion on my D2 like are in these pictures I would be devastated. I certainly would be reluctant to spend the kind of money I am in keeping the car mechanically sound.

So...............

The car went into Preston Audi to have the corrosion pictured/assessed and sent off to Audi.
After roughly 4 weeks I eventually heard that there would be NO claim available under the 12 year anti-perforation warranty...SURPRISE SURPRISE!

I do intend to contest this though.

The car has a FULL Audi history and is just 9 yrs old.

Has anyone here had any joy with addressing this issue on a car over 3 yrs old?

Doubt I'll be returning to Preston Audi..............their customer service was terrible!

Thanks.

I have similar to your small blemish on the door on the edge of roof over the windscreen and on the drivers door near the mirror on a 2011 D4.
Similar I have F.A.S.H and went about a claim last year. Audi vaguely offered a 30% contribution which I declined. I would still have had to pay €2500 approx as the bodyshop estimate was crazy money involving complete replacement of the drivers door, painting most of the drivers side and roofskin.
I couldn’t justify having it repaired as my car has high miles and isn’t worth much. I felt such extensive painting may well have a negative effect on resale value anyway.
Thankfully it hasn’t got any worse but it’s annoying and proves that 20 years on, Audi still haven’t got a handle on corrosion/paint defects on aluminium panels.
When I had a D3, I had a successful 100% claim on the passenger door window triangular trims and boot door handle panel. The D3 was probably just as old at the time of the claim.

Yeah that's where they go on the D3. Again, it's from the numberplate lamp holders and creeps back outside. I am guessing plastic screws might stop it happening again.

Poor design though. Although not as bad as the Phaeton doors, they do the same thing where there's some ally brightwork trim bonded to the steel of the door without the proper barrier and the corrosion is just like this, but all over every door.