Vibrations only appear when foot is on the brake at a stop in drive or reverse. But as soon as car is in motion (if let the car coast) even by letting go of the brake, the vibration disappears. OR if one foot is on the brake while the other foot slightly taps the gas, the vibration disappears also. When it is idling with foot on brake, I feel like a light massage chair and steering wheel but you can even visually see the vibration of things .As soon as you let car go even 1mph ,vibration goes away completely.

Engine and transmission mounts are fine. Any ideas? Please help !!!!!