How to Bleed Air from the BMW X5 Coolant System?

[VanJordan]

Method for bleeding air from the BMW X5 coolant system: 1. Press the brake pedal of the BMW X5 to prepare for engine start; 2. Press the one-touch start button of the BMW X5 to start the engine; 3. Run the engine until the water temperature reaches 90 degrees, then turn off the engine; 4. Let the BMW X5 engine sit until the water temperature drops to normal temperature; 5. Pull the front hood release lever; 6. Lift the engine hood upwards; 7. Slowly unscrew the small water tank cap to release gas from the cooling system; 8. Top up the coolant to the MAX line. Precautions for coolant replacement: 1. After draining the coolant, tighten the drain switches on the cylinder block and radiator; 2. Fill the radiator with the specified coolant from the filler port until the coolant level in the reservoir reaches the specified height; 3. Close the radiator cap, run the engine to normal operating temperature, then shut it off and let it cool to room temperature; 4. Check the reservoir level again and add coolant as needed until no air bubbles appear in the reservoir during engine idle operation.