While driving my 1989 535iA today I noticed a significant shake/shimmy/vibration that I believe to be the torque converter. Please let me know if you agree with my diagnosis, and if so, please let me know if the torque converter is sold separately. Finally, I am looking for recommendations as to where to buy one and the approximate cost.

When driving at any speed from about 55 mph or more, during moderate acceleration the car vibrates or shimmies significantly. If I accelerate hard enough to cause a downshift there is no shimmy, and if I accelerate very slowly from that speed there is no shimmy as well.

As I recently replaced most of the front suspension, there are NO other vibrations or shimmies, regardless of speed, gear, acceleration, or braking.

Thanks in advance for your help…

- Hal