Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment problems.Google+
Car Problem Reports
Audi A4 Premature Wear in Multi-Link Suspension Components May Cause Noise
Audi A4 Problem
Average Mileage: 86,665 mi (40,000 mi - 138,327 mi)
Visitor, 2005 Audi A4, 95,000 mi
control arm bushing worn and require replacement of upper/lower control arms
Visitor, 1998 Audi A4, 138,327 mi
Lots of noise over bumps and clunks when applying brakes. Lower rear control arms worn. Replace to fix
Visitor, 2005 Audi A4, 75,000 mi
same problem but cannot locate noise
At 85'000 miles had to exchange one of the drive shafts, at 95000 the other side drive shaft as well! Way too early! Car started shaking on acceleration...
Visitor, 2006 Audi A4, 40,000 mi
rough riding. having struts replaced.