2001 BMW 325 I see the leak

2001 BMW 325
98,000 MILES • 4 CYL • AWD • MANUAL
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STRIKEU
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My 2001 BMW 325 is dripping coolant where I can see it, but I don't know what the part thats leaking is. It isn't the radiator core, it appears to be a drain of some type, but it is not at the bottom of the radiator. Is there some type of diagram that will tel me what the part thats leaking is? it only drips with the engine running. the part is a rectangular container looking part, that is to the left of the fill port. It has a small "drain" looking plus at the bottom (white) and this is the point where coolant is leaking. any help would be appreciated.
Jul 11, 2009 at 10:47 AM
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DOCHAGERTY
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Go to Realoem.com and look for an expansion tank in the cooling system section, that should take care of that issue, is there anything else we can do for you?
Jul 11, 2009 at 11:46 AM
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STRIKEU
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I think the drip is coming from the "LEVELING SWITCH" in the bottom of the expansion tank. Now all I need to know is this something I can replace myself or should I have someone at a repair facility do it? I have some limited experience on work of this type, but I am no way an experienced mechanic.

KM
Jul 11, 2009 at 12:47 PM
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DOCHAGERTY
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It is the expansion tank leaking and you may need help. It is not an easy task.
Jul 15, 2009 at 8:47 AM