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Re: Bleeding the coolant system (archive)

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Posted by Neil Deshpande on September 08, 2001 at 16:49:08:

In Reply to: Bleeding the coolant system posted by SSW on September 04, 2001 at 19:41:32:


I've replaced the coolant in my M5 twice. Both times I found the system to be self-bleeding as told to me by Gary Derian. What this means is that I saw the air blowing out into the top input tube in the reservoir as I was filling coolant and eventually water came out.

For peace of mind, you can access the bleed screw near the firewall on the driver's side. It is near the + terminal I think and is actually on a hose. However, I found that this screw bled a bit before the return line on the reservoir so I had to shut it off and continue till the water came out of the reservoir return line. This proved to me that the reservoir return line is good enough.

Neil Deshpande



I just changed out my heater valve. Do I need to bleed the coolant system? How do I do that? Is there a screw valve near the waterpump?

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