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      03-21-2020, 11:16 AM   #13
David_Vasha
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Drives: 2011 535i XDrive
Join Date: Apr 2019
Location: Charlotte, North Carolina

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Quote:
Originally Posted by Sylverlee View Post
Quote:
Originally Posted by David_Vasha View Post
Many people are saying it might be better to have the car on accessory mode and to run the bleed procedure but in my opinion it's better to have the car running. My theory is that the car still circulates the coolant without draining the battery power. I did the bleed procedure at the end just to make sure air pockets didn't form. For me, I got about 10 gallons of fluid out while I was putting distilled water in the system. Roughly 5 gallons of old coolant and the rest was distilled water going into my return bucket. Do with this as you may but I found this to be the most efficient process
Does the car circulate the entire system when you run the bleeding procedure? I wonder why mine only did 2gallons (didn't continue adding while running which I'm learning now is prob pretty bad).
I assume that the car circulates the coolant given that it needs to be recooled once heated. You always want to add fluid to get the old fluid out. I kept adding distilled water until I saw clear distilled water coming out of the hose.
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