Thus, the steering wheel is the only component that is directly connecting to the car and indirectly to the road. So, over time you will find that the steering is wobbling or vibrating when you are driving the car at high speed. Moreover, the wobbling steering wheel is the first indication of something broken or out of balance in your car. The following video defines the causes behind the wobbling steering while driving the BMW X5 at high speeds.
https://www.youtube.com/watch?v=ZjkwD4j-GFo