'04 545i coolant loss
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Join Date: Aug 2014
Location: Ohio
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My Ride: E60 545i v8 6spd MT
So today I took the 10 minutes to replace my expansion tank. The lower hose that goes to the water pump will not get a good seal. I can't get the reservior filled without it leaking dry now. Is there some sort of part number split with the expansion tanks and plastic female hose connector?
I even removed the new behr replacement and tried the original tank and it's a super snug fit. But the new tank requires zero effort to connect and does not seal.
I even removed the new behr replacement and tried the original tank and it's a super snug fit. But the new tank requires zero effort to connect and does not seal.
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