I feel some vibration under braking, but it doesn't increase over the other vibration and it doesn't occur at low speeds. It doesn't quite feel like the cars I have driven with warped rotors, but I am not ruling it out. I may grab a dial indicator and check it myself.

What did you do to determine that it was a bent rim? What was your fix?

I feel it may be a bent wheel, too. It's not alignment. Alignment can only cause vibration when the tires are worn abnormally due to bad alignnment. Atomb, did your car vibrate constantly or just when the brakes were applied?

Old tire vibrated at EXACTLY the same speed range as the new ones. I don't feel it is the tires.

OK, for the last 10,000 or so miles, I have had vibration problems at 50-75 mph thru the steering wheel. I have had the tires balanced 4 times, with some improvement each time. The problem does return after a while however. I just installed brand new Yokohamas at 28,000 miles to replace the shot Bri...