Why is my coolant disappearing but not leaking?
Check for Leakage
Disappearing engine coolant could be the result of a slightly cracked hose, a tiny hole in your radiator, or a water pump issue. It’s also possible for a coolant leak to develop inside your vehicle or to simply vaporize into mist via your defroster.
Is it normal for BMW to lose coolant?
Coolant loss is normal. Typically a BMW cooling system has a fill capacity of 6.5 litres. It is expected that in a 6 month period – coolant loss is about 15%. This is because the expansion tank has a cap that reliefs pressure at 1.4 bar.
Why does my BMW coolant keep running low?
When the cooling system reaches a low pressure, the car might perceive this as low coolant. In this case, the sensor will likely need to be replaced. Coolant leaks can occur due to a number of reasons, including a broken radiator seal or a compromised radiator.
Why is my car losing coolant but not overheating?
Chances are you have either a radiator cap leak, internal coolant leak or an external coolant leak. The longer you wait the higher the coolant leak repair cost will be. Learn how to diagnose your antifreeze leak and learn what to do next.
How do I find a coolant leak in my BMW?
antennamediatorino.eu
Running all the way over the top the front of the car over to the coolant reservoir tank. And this hole is in the middle is like a black plastic instead of a rubber.