Is your BMW low coolant warning on? BMW low coolant warning typically comes on due to the low coolant level in the expansion tank located in the engine bay. Checking the coolant level on a BMW is easy and takes less than five minutes. It is crucial to follow the correct procedure to avoid injuries and get an accurate reading. Remove the coolant reservoir cap. It will allow residual pressure to release without blowing off the cap. Determine the coolant fluid level.
There are two different float designs. The red float may have two balls. One indicating the low and the second indicating the full level. The level is full when the bottom of the float reaches flush with the top of the cap. It is possible to still get a Coolant Level too Low warning even if you add coolant. The first thing that you need to inspect is the coolant level sensor if your BMW has one. It is possible that there may be an electrical issue with the sensor causing it to trigger the warning message.
If you are extremely low in coolant, you may get the low coolant warning light even if you add coolant. The car was either neglected or was extremely low in coolant. Run the car for one minute and recheck the coolant level. It is possible that you need to add more coolant. This may be caused by outside temperature fluctuations or when using certain incompatible aftermarket coolant brands.
Other possibilities include defective water pump, bad engine temperature sensor or bad coolant level sensor. Older BMWs had a translucent coolant reservoir with a line that shows the high and low level. Back then it wasn't necessary to remove the cap to get a coolant reading.
4 Main Reasons for Overheating of a BMW Engine
BMW redesigned the cooling system, and now they use an expansion tank. Instead of the transparent tank, they implementing the float design the rod that pops up.
Not all aftermarket coolant is compatible with BMW cars. Full strength coolant is not mixed and you will need to mix it yourself before adding it to the cooling system. Use distilled water instead of tap water. Tap water will work, but it is not recommended because it can introduce impurities, minerals and also cause corrosion to the cooling system over time. If the temperature gets above normal or you get a warning light that engine is overheating, stop driving your BMW.
Get it towed to a mechanic ASAP. Pete I know it has been a while but what happened is that the car overheated. The high pressure in the cooling system caused the coolant to overflow and spill as you describe. I would top it off for now which I assume that you have already done. But keep an eye becasue you will most likely have the issue come up again. The normal operating engine temperature is in a range of to degrees Fahrenheit. Just wanted to note that if you want to do an actual venting using the water pump: - Insert the key into the dash slot, hit the starter button but don't start the engine — e.
If the engine is hot degrees and the car is turned off, is it likely the antifreeze resivour purged a cup onto the ground through an overflow? Since the fluid questionable purged the low coolant light had come on Read More.Lake Chevy helped make these videos.
We are still working to obtain content for your car, however the video above is believed to have similar characteristics as your car. Follow the steps in this video to see how to fix minor coolant antifreeze leaks in your BMW X1. Leaking coolant is one of the more common types of fluid leaks on X1s. Engine coolant which is also called antifreeze or anti-freeze moves through the inside of your X1's engine and keeps it from overheating.
Coolant can leak from the reservoir or from the hoses, in X1s with the 2. The video above shows you where the coolant reservoir, hoses and connections on your X1 xDrive28i are located and the steps needed to fix minor leaks. A few things to note about coolant is that it is sweet tasting and highly toxic, so it can end up in the dog's stomach pretty quickly. If you ignore a small coolant leak long enough, you will run out of coolant, which leads to an overheated engine and other serious, but highly avoidable, problems.
In many X1s, an anti-freeze leak can cause the temp sensor to record high engine temperatures. Always protect yourself with safety glasses and gloves when working with the coolant on your X1.
Driving with your phone pressed against your ear is illegal in many places. See how to talk hands free! Learn where your spare tire and jack are located before you need it on the side of the road. Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks. Getting Started Prepare for the repair.
Set Up Paper Position paper and mark wheels. Assess Leak How to determine if the leaking fluid is coolant. Open the Hood How to pop the hood and prop it open. Find Reservoir Locate the coolant reservoir and clean it.
Check Level Determine the coolant level. Fix Minor Leaks Easy way to tackle minor coolant leaks. Replace Cap Secure the coolant reservoir cap.
More Info. Additional information on minor coolant leaks. Video Description.Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM.
Average rating from customers who received a Temperature Warning Light is on Inspection. Learn More. Overheating is the most common cause of an irreparably damaged engine, so you should always take a temperature warning light seriously. Most vehicles also have an engine temperature gauge that shows just how hot the engine is. When the temperature warning light illuminates, the first thing to check is this gauge, to determine the severity of the overheating issue.
With the exception of older, air-cooled vehicles, cars rely on a liquid called coolant or antifreeze to keep the engine at an optimal temperature. Coolant is a mixture of water and ethylene glycol, and it circulates around the engine block and absorbs excess heat, which keeps the engine from overheating. The coolant converts that heat to air in the radiator, and then the air is emitted, at which time the coolant is ready to absorb more heat.
Without coolant, the engine would quickly ruin itself with its own heat production. The proper ratio of coolant to water can also get distorted, resulting in a problem. Too little or even too much antifreeze can dramatically lower the boiling point of the coolant.
When the fan shroud breaks or becomes dislodged, air fails to enter the radiator, and the coolant will no longer have a place to direct the transfer of heat.
Broken or missing air dam : Along with the shroud, some vehicles have an air dam or deflector underneath the vehicle. If this is broken or missing then the air can pass underneath the vehicle but not also through the radiator, which will cause overheating.
These air dams are essential in newer vehicles, as they force the air through the fan shroud. Faulty coolant temperature sensor : The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. Based on the temperature of the coolant, the engine control unit adjusts the ignition timing, the fuel injector pulse, and the operation of the electric cooling fan.
Bad water pump : The water pump is responsible for keeping the coolant cycling throughout the engine. After the coolant transfers its heat energy to the air, the water pump recirculates it around the engine so that it can absorb more heat. The most common water pump problems are a leaking pump, bad bearings, or an impeller that has rotted away due to a low coolant ratio. Stuck thermostat : The thermostat acts as a dam for the coolant. When the engine first turns on, and it is still cold, the thermostat keeps the coolant from circulating, which allows the engine to warm up as quickly as possible.
Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. A stuck thermometer may stay permanently sealed and therefore keep the coolant from reaching the engine block.
The thermostat may also stick open. This will not usually result in overheating, but it will waste gas. Broken engine cooling fan : The engine has a cooling fan that is deployed when the coolant needs some extra help.BMW E90 models utilize an engine coolant temperature sensor and an engine oil pressure switch. The sensors can fail electrically, a fault code will be stored and the MIL malfunction indicator lamp will be illuminated.
You may also have a leak from one of the sensors. The sensors can leak through the electrical portion of the sensor, wicking oil or coolant out through the electrical connector. If you suspect this the source of a leak, disconnect the sensor and inspect the connector for signs of fluid. The connector should be dry and free of fluids. In this tech article, I will show you how to replace the engine coolant temperature sensor and the engine oil pressure switch.
Remove engine covers. See our tech article on engine cover removing.
It's not necessary to drain the engine coolant, as long as you work quickly. Once the sensor is removed, coolant will leak out, but it will not drain the entire system.
Have a drain pan under the vehicle in the area just beneath the sensor. This will catch any leaking coolant. Check out our complete Technical Article Directory for guides to many other procedures. Check out our Basic Maintenance section, which has all the parts you'll need to get your vehicle running its best, including filters, fluids, brakes, spark plugs, lighting, and more for your E90!
Working at front of engine, disconnect coolant sensor electrical connector. Press wire retainer green arrowthen pull the connector straight off the sensor. Large Image Extra-Large Image. Using a 22mm wrench, loosen the sensor. Just break the sensor free, then unscrew it by hand. Be sure the sensor seal comes off with the sensor. Install new sensor with a new seal and tighten. Connect electrical connector and double check that the wiring is in the same place as it was before.
Fill and bleed cooling system. See notes on bleeding below.Engine care and maintenance is critical in order to preserve the integrity of your Bimmer, but sometimes issues can still occur despite our best efforts. BMWs are known for performing consistently well over the course of their lifetime, but not without following the appropriate maintenance schedule, anticipating problems, and acting preventively.
With the help of a BMW specialistthis process is made a lot easier. One issue that BMW drivers tend to encounter now and then is engine overheating. Experiencing engine overheating is not a fun endeavor for any driver, let alone someone who expects excellence and high quality performance.
During warmer seasons of the year, your engine has to work harder to keep the engine temperature at the appropriate level. Especially under these conditions, it can be detrimental to spring a coolant leak. Air forces its way inside the system, creating a pocket of air that prevents coolant flow.
A clogged cooling system is usually due to one of a few causes: a malfunctioning thermostatdebrisor natural buildup. A contaminated cooling system will eventually be unable to circulate the coolant, resulting in an overheating engine.
Believe it or not, different cars require different types of coolant. BMW makes its own brand of coolant as well, which you might consider buying. The water pump is a critical component of the cooling system. Enlisting the help of a BMW specialist is a critical step in caring for your car. BMWs are uniquely engineered and therefore require personalized care.
BMW Engine Temperature Sensor Replacing
Of all the services we offer, we commonly help clients attend to engine repairs and cooling system repairs. Your safety is important to us, and BMW cars are our passion—let us put our expertise to good use!
Modern BMW cars use automated adaptive headlights to improve nighttime …. MON : am — pm. TUE : am — pm. WED : am — pm. THU : am — pm. FRI : am — pm. Follow Us on :. After conferring with State and local officials and based on the relatively small number of personal interactions involved in our daily operation we have decided to continue to function and will be open regular hours.
We have taken aggressive measures to sanitize surfaces that are prone to human touch and will do so on a continuing basis. In addition we will make certain that as we interface with you at the counter, handle your keys, answer questions and clean your car and take payment we will maintain proper distance and sanitize the touch points in your car.
We are committed to your safety and well being and will comply with any restrictions imposed by authorities. We are here to support all of our clients as best we can for as long as we can. Don't hesitate to call the shop with questions. Call Today: Follow Us on:. Wrong Type of Coolant Believe it or not, different cars require different types of coolant. Water Pump Failure The water pump is a critical component of the cooling system.Honda City helped make these videos.
We are still working to obtain content for your car, however the video above is believed to have similar characteristics as your car. Checking the engine coolant also known as antifreeze level in your BMW X1 is pretty easy.
Coolant Level Check: 2013-2015 X1
In order to get an accurate reading, your 2. Engine coolant circulates through your engine to keep it cool in the summer but won't freeze in the winter. The video above shows you where the coolant reservoir in your X1 is located and how to check the coolant level. If you need to add anti-freeze, be sure to check your owners manual to determine the correct type of coolant to add - in BMWs, it usually located in a section titled Fluid Capacities towards the end of your manual.
See our video on how to add engine coolant for tips on adding coolant to your X1. Always wear safety goggles when working on your X1. Taking off the coolant reservoir cap on a warm engine could cause the cap to up explosively and fluid to spray out of the reservoir.
If you notice an oily surface in your coolant, immediately have your mechanic inspect your X1 for head gasket leakage. Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks. If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak. Is the clock in your car ahead or behind? Learn how to set it here! Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors. Burnt out brake lights increase your chance of getting rear ended - check and change yours today.
Getting Started Prepare for the repair. Open the Hood How to pop the hood and prop it open. Find Reservoir Locate the coolant reservoir and clean it. Check Level Determine the coolant level. Add Coolant Determine coolant type and add fluid properly. Replace Cap Secure the coolant reservoir cap.
Locate Hoses Locate the coolant hoses and connection points. Assess Hoses Tips for how to assess the condition of the hoses. More Info. Additional information on coolant levels.
Video Description. Other videos you might find helpful. Try this cheap fix for leaks Animals love the sweet smell of antifreeze, too bad it's toxic!A BMW engine's operating temperature will rise as you drive. Each engine has its own unique cooling system, designed to moderate the engine temperature so the car does not overheat. If a component of your cooling system fails, the engine is at risk of suffering permanent damage.
The engine temperature gauge is located in your BMW's instrument panel; it provides information about the engine's current operating temperature. It is marked by a thermometer symbol, and uses a needle to illustrate the vehicle's engine-temperature level. If the needle moves beyond the half-way mark on the gauge, your engine is beginning to overheat. Your BMW's water pump is an integral part of the cooling system.
It is powered by a pulley and belt system. Open your BMW's hood and examine the belts that sit at the front of the engine. If any of these belts have snapped or are missing, your engine is likely overheating. Its cooling system is not receiving a steady flow of coolant. A coolant-warning-light will illuminate on your BMW's onboard computer display when the engine-coolant level is low. If the engine is not receiving enough coolant, it will overheat.
If the coolant-warning-light is illuminated in your instrument panel, your engine is likely going to overheat soon. Refill the coolant reservoir in your engine to restore the factory coolant level. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.
To submit your questions or ideas, or to simply learn more about It Still Runs, contact us. Coolant Warning Light A coolant-warning-light will illuminate on your BMW's onboard computer display when the engine-coolant level is low. About the Author This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.