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Old 01-21-2013, 11:03 PM   #948
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Join Date: Oct 2010
Location: Miami,FLa
Posts: 53
My Ride: 2007 328i coupe
Originally Posted by Stinger9 View Post
Clarification please.
Which are you talking about?
The low coolant level sensor has no O-ring.
The sensor on the lower hose is not a level sensor.
The sensor i'm talking about is located at one of the ends of the lower radiator hose,that fan switch sensor has an o-ring/seal,once the seal goes bad,coolant starts dripping from the sensor's housing,thus the coolant level decreases and then triggers the colant level sensor...makes sense now?
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