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My RS4 (30000) miles goes for a service this week. I think the DRC my be faulty (knocking noise from front over speed bumps). It is 4 1/2 years old and not under any warranty. Am I right in thinking that if the DRC needs replacing it wll be done foc by Audi UK. If the dealer doesn't know this - any ...

Thanks for your replies everyone. As it occurs when stationary (as well as when moving) it can't be brake pads/wheels etc. I think I will take it to another dealer for a second opinion as even though it is not a massive vibration, I don't see how it can be right if you can feel it through your shoes...

Hi I experience a vibration in my RS4 (25000 miles) through the pedals, and also the steering wheel, when stationary and in neutral as well as when moving, at around 1500 rpm (plus or minus 300rpm). It is a high frequency vibration that does not feel particularly pleasant, but I have been told by my...