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      11-16-2016, 12:39 AM   #15
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Drives: 2011 E90
Join Date: Apr 2014
Location: United States

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Originally Posted by OneMoreAlex View Post
Word for word exact same thing happened to me.
Alright, looks like I'm on the path to catastrophic cooling system failure. Step 1, Replaced water pump and thermostat 1 month ago cause the pump died. Step 2, this past week, we started losing coolant rapidly, and I see the attached pic, which seems to be expansion tank failure.

Anything I can do to prevent step 3 (radiator failure)? Or should I just expect defeat and replace it now...

The drivers side upper radiator looks good now, but I do see some white marks that look like they could be from coolant (second pic).
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