2007 BMW 550i UpperRafiator Hose Pops Off


Asked by Apr 05, 2015 at 10:40 AM about the BMW 5 Series

Question type: Maintenance & Repair

I bought this car with 70k miles.  I drive it and it runs great with no indication of over
heating.    I shut it down with no issues and when I get back tone car I have all my
coolant on the ground.  Upper radiator hose pops off.  The second time happened even
after I wrenched down the hose as tight as I physically could.   Is this a clamp issue or
indicative of something more significant?

3 Answers


Sounds like it's not clamped down properly. There should be a lip on the male connection where the hose goes. When installing the hose clamp make sure that the clamp is behind the lip. Then tighten it down. If there's no lip, that's probably the problem. HTH. -Jim


Hi Jim. I thought the male end was not ong enough and has no lip. Is this the wrong radiator you think be ause it does no appear to be busted off. The dang male end is barely long enough to allow the clamp to cover it.

1 out of 1 people think this is helpful.

Ok, I pulled up some pictures of the radiator for your car. It looks like something is supposed to screw or snap onto the metal connections of the radiator. The radiator hoses have hard plastic ends on them. These are designed to snap onto the male ends of the radiator. There should be a metal, wire type, clip on the hose ends. That's what secures the hose to the radiator. If it's gone, you'll need to replace the hose. Be sure that the hose securely snaps onto the radiator. Inspect the male ends of the radiator where the hose snaps on for damage. HTH. -Jim

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