The front thrust rod bushings—also referred to as tension strut bushings—are known to fail occasionally. The oil-filled rubber mounts weaken and crack over time, causing a mushy road feel and shuddering in the steering wheel when going over bumps.Google+
Car Problem Reports
BMW 740iL Front Thrust Rod Bushings May Fail
BMW 740iL Problem
Average Mileage: 142,000 mi (98,000 mi - 180,000 mi)
Visitor, 1999 BMW 740iL, 98,000 mi
Replaced front struts Big noise driving over rough roads. $1200 repair bill
Visitor, 1997 BMW 740iL, 180,000 mi
replaced the torsion bars, solved the problem but it took a long time to find the problem.
Visitor, 2000 BMW 740iL, 124,000 mi
I went to firestone and had the vehicle inspected. They said that the bushings were loose so I guess I need to replace them when I can. At around 40 to 50 mph the steering wheel shakes a lot, especially when going over bumps.
Visitor, 2001 BMW 740iL, 143,000 mi
this is a scary feeling when it will not quit shaking so badly at 45 mph !!
it is still a problem