Coolant level is low
03-12-2008, 08:02 AM
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Hi everyone
The computer indicates (Coolant level is low), sure enough the water in the expansion vessel was low(ish).
So I popped into the dealer & got a 1.5L bottle of BMW antifreeze that needs to be mixed with water (ratio 1:2).
The question is: Can I use normal tap water? Here in the UK, tap water is hard and I am concerned it may cause corrosion?
Someone advised that I can use the water from my condensing dryer! Is that a better idea?
The computer indicates (Coolant level is low), sure enough the water in the expansion vessel was low(ish).
So I popped into the dealer & got a 1.5L bottle of BMW antifreeze that needs to be mixed with water (ratio 1:2).
The question is: Can I use normal tap water? Here in the UK, tap water is hard and I am concerned it may cause corrosion?
Someone advised that I can use the water from my condensing dryer! Is that a better idea?
03-13-2008, 02:51 AM
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Had the same thing around 2 months back - bought a bottle from my BMW spares department but was told not to mix it with any water. I added it in straight from the bottle. Been driving it for 2 months since without the warning or any other problem..
HTH
HTH
03-13-2008, 06:35 AM
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Had it with both 545 and 535, BMW coolant in the US is not to be mixed with water.
03-13-2008, 04:02 PM
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antifreze is supposed to have anti corrosion capabilites - i doubt tap water is going to do much harm - even if it has some effect, a pint or so over the 3 or so years you have the car would be negligable in effect.
You can buy pre-diluted antifreeze to eliminate your quandry.
You can buy pre-diluted antifreeze to eliminate your quandry.
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