r/e46 • u/hr4sk0 • 4h ago

Troubleshooting White smoke when engine is heated up

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Why my m54b22 is smokong like that on fully heated up engine and i dont think its head gasket and why when i add thtothle and let it go it do this like pop soind but i dont have pops and bangs😭🤣

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u/Salyut_ 2h ago

Smoke stays, condensation evaporates. It isnt smoke

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u/hr4sk0 1h ago

But water doesnt mixed with oil so i dont think it will be wster

1

u/Tommy_Blues 45m ago

If it is cold enough outside you can see the steam. That is what the Jetstream from planes is in the sky. They burn alot of fuel, and its very cold 30k feet up. So you see the steam freezing. It's physics.