My father's been driving my old 98 A6 for 8 years now, it's 13 years old and he claims that the car is bouncy and wobble when driving over bumps and uneven roads. He is thinking about the shocks, but the tires do wear out evenly, I suspect the control arms are at fault. Anyhow, he lives about 500 miles away, so I can't just come over and inspect the...