A new car came with a complaint saying that, the car will vibrate once it reach 100km/h -120km/h after that there's no vibration. Its kinda weird. No dented rim, on wheel balancing already done..new tyres. Lastly the answer for this issue is from the wheel balancing. We sent it to the 3rd tyre shop belong to my college friend and thank god we found the answer.It's the wheel balancing problem. Its hard to believe it but that's the answer.