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      09-07-2022, 07:44 AM   #1
AbnormallyAspirated
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Question cant find coolant level marks on M235i Expansion Tank

Hi:

I've had my 2016 M235i for almost a year, and the coolant vent line broke. I replaced it, but I cannot find the min/max marks on the expansion tank. Below is the tank I have (not my actual car).

Can anyone help me out? owners manual was no help.

Thanks,

Dave

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      09-07-2022, 09:14 AM   #2
pikcachu
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the max level is at that ridge that goes all around the tank kind of half way.... seems like you are about 1 inch below the max
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      09-07-2022, 11:44 AM   #3
John in VA
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Shine a flashlight into the reservoir - you may be able to see the marks better, but pikachu is correct.
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      09-12-2022, 07:17 PM   #4
123Britt
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Black Sharpie Mark

Here it is: The LOW Coolant Mark -- I just recently put too much in although I have and know the mark and that the Split Ridge or the top of the Hidden Triangle is considered full.


There is an arrow or triangle above the mark - if you look closely.
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Last edited by 123Britt; 09-12-2022 at 07:41 PM..
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