I suppose it might be a sticky caliper on one side of the disk causing uneven braking at certain speeds :Confused:

Get it checked out to be sure anyway

Now that's interesting, 'cos mine isn't every time either.

I had the pressures checked, but I will have the balance checked at a second garage and try Richard's recommendation to brake hard - but where can I go to get up to 100mph when the legal limit is 70? :)

Are you inciting me the break (right spelling this time) the law Richard? The Renton by-pass should do nicely!

Its not breaking the law if you own it. . . .:rolleyes:

it's the suspension bushes

Not on mine - had them done at about the same time as the discs/pads, made no difference, sadly.

Jim when I had my wheels refurbed they didnt balance them properly and I got similar, it went away after having them balanced, Dumbarton Service Station did a superb job, one back and one front wheels were out, and they never even charged me, needless to say they have had a fair bit of business from me for other stuff as a result (they were also the ones who gave me free use of their air hose when I did my drains a while back)

Mine does this at 140-170, I'm also getting a loud clicking noise on full lock now. It is going in this week, I'll keep you posted - please do the same, hope it's not too costly for you, Jim. +++

full lock clicking is usually CV joints on front wheel drive cars, not sure if that would also apply to quattro Amar?

Thanks Brian - it only really does it when stationary though, the clicking.

Just wanted to add, I have got this slight shaking when braking as well at 70mph. New front (brembo) discs were fine for the first 1000 or so miles and didnt do this, now I suspect they may be a little warped. Oh well, I can live with it.