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Old 10-01-2012, 09:38 PM   #15
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Join Date: Sep 2012
Location: USA
Posts: 20
My Ride: BMW 2002 325i
Originally Posted by pic27 View Post
I just did a mini cooling system refresh (water pump, thermostat, hoses) Sure enough, my brand new OEM lower radiator hose is leaking from where the temperature sensor is. I am going to the dealer to order the O Ring that Demon Eyes Kyo found the part number for : 13621743299. It will make me very happy if this solves it.
Sure enough, 99 cents later, my lower radiator hose is leak free. I was so happy about this because I had nearly re-installed everything when I discovered this leak. If you have the same problem after replacing the lower radiator hose, remember to give this a shot first. Part # 13621743299 is the little O Ring that goes to the temperature sensor.
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