00 323i cold stat no heat PLEASE HELP - BMW Forum - BimmerWerkz.com

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post #1 of 3 (permalink) Old 01-08-2014, 11:35 PM Thread Starter
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Exclamation 00 323i cold stat no heat PLEASE HELP

At 85,000 miles the radiator, thermostat, transmission, mass airflow intake sensor was replaced.
The car takes forever to warm up in cold weather. In cold weather, the temp gauge stays in the Blue when driving and goes center when idle. No heat (cabin air) when driving and a little heat when not driving. I have flushed and bled the system. No I am not saying I did a perfect job at it nor if I did it the right way but I have purged the line over and over and over again trying to get any air out. There are no leaks that I can see. I do not have any trouble lights on.

Any suggestions or help with my heating problem would help....
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post #2 of 3 (permalink) Old 01-12-2014, 10:19 AM
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If you just replaced the thermostat and your not getting hot air, then you have an air bubble in the system. This is quite common. When bleeding try raising the front end of the car off the ground on a set of ramps if you have them. Air rises and finds the highest point. This will help to get the air up and out.

When bleeding make sure you warm the car up to operating temperature FIRST. You need the thermostat to open up to help circulate the coolant.

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post #3 of 3 (permalink) Old 07-18-2014, 01:25 AM
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hi everyone i had the same problem the car dident want to heat so i changed the thermostat and then there was an air bubble so i put it on 4 and and on cold and i was pessing the water pump and loads of water
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