Ok, I am a relatively new RS4 owner and I have been reading this and other boards in an attempt to learn as much as I can about the car.
The one overriding thing waving like a red flag is this "carbon build up" issue.
After a lot of threads and information overload (or my lack of comprehension), I still am not clear on a few basic things...
1) How does the build-up present itself in symptoms to the driver?
2) If one doesn't have the ability to disassemble and hand clean himself, is there anything preventative or temporary that can be done to minimize the issue? (I'm aware of the "additive", but I've missed out if there is a conscious on what to actually use)
3) Is this an issue of "when", not "if" it happening?
Thanks for any input provided.
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