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Old 12-05-2012, 07:33 PM
robertobaggio20 robertobaggio20 is offline
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Join Date: Oct 2009
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Originally Posted by MikeyBabii View Post
I used the blue devil gasket treatment. It was working until my car overheated 25 minutes into treatment. I did research and seen that bmw engines had a high satisfactory with the product. I believe that it would have worked if I would have allowed the full hour instead of 25 minutes... The smoke and fumes stopped about 15 minutes in.
Let the engine cool down and continue. In any case, blue devil is not a silicate friendly product. They cause can search on youtube for more info on this.

K-seal or steel seal would have been a better idea.

If the smoke and fumes stopped 15 minutes in, that speaks volumes. I suspect that if you had used a silicate free product, you might not have overheated later as well.

Please repeat this exercise. Before that, please ensure that your aux fan, its switch, aux fan coolant temperature sensor, and the relevant fuses are all in good shape. These are backups to your fan clutch's cooling effect.
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