Bmw engine coolant level low possible engine damage. But theres a third very simple and oft forgotten issue. It is crucial to follow the correct procedure to avoid injuries and get an accurate reading. Check your coolant level with the car cold engine off. If the engine is not receiving enough coolant it will overheat.
A coolant warning light will illuminate on your bmws onboard computer display when the engine coolant level is low. Driving with low engine coolant is never a good thing to do. Here are a few things that can happen in your engine when you are driving with low coolant. Bmw low coolant warning typically comes on due to the low coolant level in the expansion tank located in the engine bay.
The coolant that is al. Coolant is a liquid. Good answers from bruce a mcintyre and norman irving. There can only be one reason why your coolant is low and thats that its leaking.
If you can see the level at the bottom of your expansion bottle okay for quite a while. If the coolant warning light is illuminated in your instrument panel your engine is likely going to overheat soon. Checking the coolant level on a bmw is easy and takes less than five minutes. Older bmws there was a line molded.
The coolant is contained within a sealed system so if its in good condition the water level should not change. I top my radiator. It can create air bubbles in the system which in the worst case can damage your engine seriously. The coolant system pressurizes and if you pop off your expansion tank cap after the cars been running and its hot you could scald yourself so dont scald yourself.
During hot weather liquids tend to evaporate a bit quicker. If the engine has a slow leak though i would check it often if you cannot fix the leak immediately.