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Old 02-03-2013, 11:53 AM   #48
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Join Date: Aug 2006
Location: NJ
Posts: 23,593
My Ride: '99 328i 300K miles
Originally Posted by mick22589 View Post
Resurrecting this thread cuz I have a question and didnt see a better place to put it. Was wondering, if the source of a leak is determined to be from the expansion tank, Could one take out said tank, clean it with paint thinner really well, wash it, then fill any cracks with plastic epoxy, put back on. Instead of buying a new expansion tank. Seems like I have to buy a new one like every other winter. Im on my 3rd tank.
I'll say it wouldn't work.

Make sure you're not overfilling your tank, OP. You need air in the top of ET you know. Fill to between min and max.
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