Hi, I bought a used 2003 BMW X5 4.4i and it has a loose/worn front right side lower control arm with ball joint (just ike the image below). I first noticed it when I was driving 80 km/h (49 mph). The steering wheel was shaking, almost vibrating. I am trying to decide if I should drive my X5 a little bit longer or park it until I replace the control arm. I might be able to replace the control in a week or so. What should I do?