Coolant explosion!? Drivers side while driving.. - BMW M5 Forum and M6 Forums

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Old 25th July 2012, 04:08   #1
m5rosemont83
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Coolant explosion!? Drivers side while driving..

Need some help guys!
About 15 minutes ago I was on my way home.. a/c on and about 95 degrees outside..
At a red light and I need to pass this van so I accelerate quickly to get in front while in first gear..
All the sudden BAM! Water burst out from the front of the drivers side wheel well or from the hood I don't know..
5 seconds later check coolant level warning comes on. I'm 2 blocks from home so I make it and put my car in the garage.
There is coolant all over the bottom of my car and mostly in the left drivers side area.
I don't see any broken hoses..
Does anyone know what I should be looking for that could have possibly exploded as I accelerated.. It has to be something on the LHD drivers side as that's where the explosion happened.. I'm not sure where to look..
I hate cooling systems......
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Old 25th July 2012, 04:11   #2
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Check the seam on the back side of the radiator near the top coolant hose. Those are known to be weak sauce after 90k miles.
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Old 25th July 2012, 04:32   #3
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You mean this area that has the honeycomb on it?
That's the area that is the most wet it looks like if you look at the pictures with my headlight removed..

EDIT: SHIET!!! Re looking at my pictures I just found that my radiator is cracked.. Look at my second picture its not on the honeycomb but on the actual plastic piece that the upper hose goes into..
Can you guys see the crack in the second picture! Time to break out some water weld as a temporary fix?
Attached Thumbnails
Coolant explosion!? Drivers side while driving..-img_20120724_192611.jpg  

Coolant explosion!? Drivers side while driving..-img_20120724_192622.jpg  


Last edited by m5rosemont83; 25th July 2012 at 04:35.
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Old 25th July 2012, 04:35   #4
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Yea it looks like its time for a new radiator. The plastic portion of it come undone from the heat exchanger.

I just bought a new one for like 220 shipped, they are actually really cheap.

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Old 25th July 2012, 05:10   #5
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Sweet.
Something actually cheap lol.
Mind if I ask where you ordered yours from?

Just got my waterweld.. About to attempt to seal it up hoping it will be good for about a week.. it goes into Valley Motorwerks tomorrow morning for header installation this will give me a couple days to get the radiator
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Old 25th July 2012, 05:19   #6
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Here is your order summary:



You purchased:

+------+--------------------------------+-----------+-----------+-----------+-----------+

| Qty | Product Name (Part Number) | Unit | Discount | Price Ea. | Total |

| | | Price | Ea. | | |

+------+--------------------------------+-----------+-----------+-----------+-----------+

| 1 | BMW E39 M5 Radiator 2000-2003 | $201.61 | $0.00 | $201.61 | $201.61 |

| | (Behr) (17111436062) | | | | |

+------+--------------------------------+-----------+-----------+-----------+-----------+



List Price Subtotal: 201.61

Order Subtotal: 211.52

Order Promotions: 0.00

Price Adjustments: 0.00

Discounted Subtotal: 201.61

Shipping Cost: 9.91

Grand Total: 211.52


FCP groton

-R
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Old 25th July 2012, 05:19   #7
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eaceuroparts.com has them cheap, at least last time I looked a couple months ago. Fast shipping, too...
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Old 25th July 2012, 05:47   #8
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Sweet thanks guys..
Going to order a new radiator tonight..



Good thing I have a gallon of BMW coolant in my room for those just in case moments like this one..
My lame attempts at a temporary repair with waterweld attached.. hope it holds:
Attached Thumbnails
Coolant explosion!? Drivers side while driving..-img_20120724_202136.jpg  

Coolant explosion!? Drivers side while driving..-img_20120724_202143.jpg  

Coolant explosion!? Drivers side while driving..-img_20120724_202154.jpg  

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Old 25th July 2012, 05:53   #9
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I'll take the under

But mine's in the shop for its third t-stat in 19 months, so I'm one to talk...
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Old 25th July 2012, 05:57   #10
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How's it holding up with the waterweld?
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