My 04 A8L front noise
 

The front suspension sounds like a rubber squeegy most of the time when drivin on bumps, especially when temperatures are cooler. Any experience with this issue? Resolution?Thanks

You need upper control arms. Look at the bushings with a flashlight, i bet you will find torn bushings inside the upper control arms.

So i nead to change the control arm or only bushings. Thanks.

The bushings are pressed into the control arms, you need to replace all upper control arms. I have found at the dealer that the D3 A8's upper control arms only last around 50K because of the air suspension moving up and down. The links are expensive at the dealer (like $200 per link) so shopping for the links online would be your best bet. Check out www.ecstuning.com, www.purems.com and www.germanpartsonline.com

Thanks.