Low voltage due to battery failure could bring your car to a halt. If you are facing difficulties while trying to start the engine of your BMW X3, then it might have a faulty battery. Consider replacing the battery as early as possible to ensure a steady power supply in your car. To know more about the signs of battery failure in your BMW, please go through this video.
https://www.youtube.com/watch?v=DT_Q2pTPJMU