1
- Insert key in the dash or steering column.
Vent/Bleed Coolant System on BMW E60/E90
If you are unsure that your car's battery will be strong to handle 12-15 minutes of the venting process attach a battery charger!
Step-by-step instructions
2
- With foot OFF the brake (don't want to start the car), push the start button (headlamps and interior systems come on).
3
- Turn both temp dials as high as they will go and put the fan on the lowest setting.
4
- Push the accelerator pedal in for ten seconds then let go - you will hear the water pump cycle on.
5
- Set a timer for 12-15 minutes. In this time period, you will hear the water pump cycle on and off and coolant gurgling at the reservoir.
6
- After 12-15 minutes turn the car off, remove the reservoir cap and check the fluid - it should be slightly below where you started.
7
- Start your car. Watch your temperature. If the car will run without overheating you're done. If you will notice that the temperature is rising repeat these steps.
Conclusion
To reassemble your device, follow these instructions in reverse order.
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