#BMW COOLANT LOW FULL#

What to do if your BMW Coolant Light Comes on While Driving? It is not recommended to drive the coolant light on in the first place, however, in case of an emergency and there is still some coolant in the water bottle then you can drive 5-15 minutes to get you somewhere safe. How Long Can You Drive BMW with the Coolant Light On? Instead, fill your car with coolant as soon as possible.

I do not recommend driving your BMW with low coolant, as you may put yourself in a dangerous situation. This causes damage to the engine and can cause your car to fail.

Your engine will begin to overheat and the temperature gauge will shoot up. You can technically drive a few miles with low coolant, but doing so is dangerous. If your BMW’s battery has been disconnected recently or is low because of a fault, this can cause the symbol to light up until voltage returns to normal levels. This is a common cause of many warning lights coming on temporarily. One very common cause of a leaking BMW radiator is when a plastic pipe connection at the bottom of the radiator cracks or breaks. One cause of the BMW coolant light coming on and off is there is a leak in your BMW cooling system: the most common place to check is the water bottle itself (expansion tank), Check the pipes and the radiator. Make sure you use the correct coolant (Blue in the cooler) that is made for BMW cars or a brand that is recommended by BMW. The right coolant is necessary to keep the engine from running hot and triggers the coolant sensor. The wrong coolant can damage the cooling system as well as cause the engine to overheat. Many people think that their cars will not be affected if they use a different brand of antifreeze, but this is not correct (especially with BMWs) as other brands may have different chemical compositions that can damage the engine, or cause the sensor to malfunction.īMW specifies a special coolant with a high boiling point, low freezing point, and a specific ratio of water and antifreeze. Wrong Antifreeze UsedīMWs are picky when it comes to coolant type, and you should always make sure that your vehicle is filled with BMW coolant. There are a couple of things that could cause the coolant to go down faster than anticipated including leaks and cracks, if the coolant is below the required level, top it up and switch the car on. If you have recently topped it up, give it a few minutes for the fluid to settle and try again. If the coolant level is below the sensor, it can trigger the low coolant warning light. The coolant sensor is located inside the coolant expansion tank.

#BMW COOLANT LOW FULL#

The easy way to tell is if you check your water bottle and the coolant is still full while the coolant light keeps coming on and off.Ĭoolant Sensors are known to wear out over time so it is important to keep an eye on them especially after you added a lot of miles on your BMW. The sensor may be faulty, and it may not be sending a good signal to the computer. If the coolant light comes on and you find out the coolant is still full, then you should check the coolant sensor. The sensor measures the level of the coolant in your expansion tank and sends a signal to the computer to turn on or turn off the light. If the coolant light comes on and you find out the coolant is still full, it means the coolant sensor might be bad. Other causes include low coolant, wrong coolant type, and leak in the cooling system in your BMW car. The number one cause for the coolant light to come on and off on your BMW is a failing coolant sensor, if the light comes on and off and when you check your expansion tank there is coolant then it’s likely the sensor is damaged. BMW Coolant Light Comes On and Off Causes In this article, I am going to give an answer to what causes a coolant light to come on and off on your BMW so read on!.

Once this happens, a lot of people don’t know what they should do or what’s wrong with their vehicle. It seems to be a somewhat common problem that randomly comes on and stays on until it decides to go off. One of the problems that many people have with BMWs is the Coolant light. But, every car has its own little quirks, and BMWs are no different. They handle great, rear-wheel-drive accelerate extremely fast and are very comfortable in every type of environment.

Bmw coolant low