1. Park another car with a good battery close to the BMW X5. Make sure the two vehicles are not touching.
2. Open the hoods of both vehicles.
3. Connect one end of the positive (red) jumper cable to the positive terminal of the good battery.
4. Connect the other end of the positive (red) jumper cable to the positive terminal of the BMW X5.
5. Connect one end of the negative (black) jumper cable to the negative terminal of the good battery.
6. Connect the other end of the negative (black) jumper cable to an unpainted metal surface on the BMW X5, such as the engine block.
7. Make sure that the jumper cables are not touching each other.
8. Start the vehicle with the good battery and let it run for a few minutes.
9. Try to start the BMW X5.
10. If the BMW X5 starts, let it run for a few minutes to charge the battery.
11. Disconnect the jumper cables in the reverse order that they were connected.
Remember, it's important to take safety precautions when jump starting a vehicle. Wear eye protection and avoid contact with the battery acid. If you are not sure how to properly jump start a vehicle, consult with a professional.
