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  #1  
Old 12-23-2008, 07:28 AM
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Thumbs down My 4.6is has expired in a ball of steam!!

With the engine under load at 60/70 mph with no warning I lost all power!
It was dark at the time but remember looking in my mirror to a cloud of steem!engine died and I pulled over.
All water had gone from header tank and top hose to rad, water in the oil and when being loaded onto the truck oil dripping out aswell.

Reading a few posts on here I'm guessing at a water pump sudden break up resulting in a blown head gasket on 1/2 heads?
Hoping the oil is seaping out of gasket/dip stick tube!

(she is a 2003 4.6is with 48000 miles and full bmw history)

Has anyone out there had a similar experience that could pass on some possible causes?

Could it have been a sudden blown gasket or something worse?

Its being towed to BMW for inspection as they may pay some or all of the claim under goodwill due to low mileage!

Any help or info on the matter would be great.

Thank you
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Old 12-23-2008, 08:57 AM
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Maaaaan i feel so bad for you, really. 4.6is with such low miles should never have such thing happen.
I think it's your radiator, which triggered the rest.
Keep us posted when you get a call from the Dealership
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Old 12-23-2008, 09:37 AM
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Ohhhh, dear! Fingers crossed. Chime in when you have more info......
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Old 12-23-2008, 12:20 PM
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Dammit...i just hit 60k, guess it's time for preventative maintenance. Keep us posted.
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Old 12-23-2008, 12:25 PM
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I would guess something cracked and you lost your coolant, then you overheated your engine and blew a head gasket, or worse.
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Old 12-23-2008, 01:00 PM
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Im dropping her off Tuesday 30th so will let you know soon after what the problem was .

Fingers crossed for some good will from BMW.
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Old 12-23-2008, 01:02 PM
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Quote:
Originally Posted by lo_jack
I would guess something cracked and you lost your coolant, then you overheated your engine and blew a head gasket, or worse.
No it happened in 10/20 seconds after a 2 hour journey with no signs what so ever, just pop out of the blue!
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Old 12-23-2008, 09:40 PM
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man that sucks

Had similar problem once. It was a very small hole in radiator. As I was driving, it was leaking, but not alot. Never noticed it. Finally got an oil temp. red flag and pulled over. Radiator was dry as a bone and whole motor was roasting. Didn't blow a gasket though, Thank God!!

Most likely, you had a similar situation, just never smelled or saw the steam.
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Old 12-24-2008, 03:07 PM
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The time it takes for an unnoticable crack to leak down enough coolant to 'expire' your engine is indeterminable. You got lucky it made it to wherever you were going. The crack was probably already there, and in that two hour trip you lost enough coolant to overheat. That it was at the conclusion of a trip is pure coincidence, and you are quite lucky it was not sooner.

Quote:
Originally Posted by 4.6isbadboy
No it happened in 10/20 seconds after a 2 hour journey with no signs what so ever, just pop out of the blue!
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Old 12-26-2008, 02:48 PM
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Thought I would have a quick look before it goes to the steelers and after removing the engine cover the side under the right hand block is oiled up!So Im guessing the right side head gasket is blown!
Just got to find out why next and have repaired.
Does any one know if you can skim 1 side or would both need to be done to maintain balance?
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