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04-25-2023, 10:15 PM | #1 |
Lieutenant Colonel
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Drives: Bmw 330i and Bmw 328i
Join Date: Dec 2020
Location: Los Angeles
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What is this leak? M54 2.5i
I left the car parked for a week and half. Before I left it, i topped up with distilled water. Now I come back and see this. This is my coolant level also. I have done Valve cover gasket and oil filter housing gasket 2 months ago. Oil pan is a little bit but it might have been from the oil filter housing gasket. What hose is leaking or is it radiatior? The car hasnt been driven in a week or 2.
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04-26-2023, 12:53 PM | #2 |
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Expansion tank is exactly that… as coolant heats up it expands…. As it cools it contracts and draws from the expansion tank…
Also… you top up with a mixture of distilled water and antifreeze… as specified. Usually a 50/50 mixture. If you top up with distilled water only you lower the boil point of the mixture which causes overheating etc at a point when the radiator antifreeze mixture becomes too diluted by only adding distilled water ….
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