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  #1  
Old 08-08-2008, 03:37 PM
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Coolant tank

Hy all,

I own a 3.0i X5 , a few weeks ago the coolant tank cracked. The question is if this is a common failure.
Has anyone else had this problem ?
I also want to ask if its normal when the engine is cold and you open the coolant tank it "ssssst" like a bottle of beer.

Greetings from Belgium

Thanks
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  #2  
Old 08-08-2008, 04:14 PM
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Do some reading in this thread:
http://www.xoutpost.com/search.php?searchid=1364350

Was easily found using the Search Tab, upper right of page, 3rd tab
from right...

Very common problem and easily replaceable in a DIY.
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Last edited by motordavid; 08-09-2008 at 12:28 PM.
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  #3  
Old 08-08-2008, 04:16 PM
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It is a very common problem. I changed mine a couple of months ago. If you have some basic tools you can do it in about 1.5-2 hours.
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Old 08-09-2008, 09:42 AM
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Yep, happened to me as well.
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  #5  
Old 08-09-2008, 11:51 AM
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me aswell, I wouldn't fix it, just replace it. It will be a headache if you fix it. Just my 02.
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  #6  
Old 08-10-2008, 07:21 PM
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Ditto, mine was replaced at around 40K miles before I bought it.

has anyone had to replace the coolant tank more than once???
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Old 08-10-2008, 09:12 PM
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Yeah, the plastic parts in the cooling system are prone to failure after a few years of use... the plastic gets more brittle with all the constant heating/cooling. The coolant expansion tank is one of the more common fail points in all BMW's unfortunately, but it does its job until then.
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