Does anyone know why the warning is not going away? A HOAT coolant is used by your BMW, Porsche, Mercedes Benz, Audi, or Volkswagen. This yellow warning light will come on when coolant levels are running low, to remind you to top them up. Add coolant warning message. The amount you add will likely be negligible considering how much the entire engine uses so the ratio shouldn't change too much. How do I clear the. A malfunctioned coolant sensor may lead to a diminution in fuel efficiency or it may even lead to improper emission readings. Coolant reservoirs have two marks instead of the single maximum level found on oil dipsticks. 71. If the oil hasn't been changed recently, there may be a leak associated with the neighboring oil cooler or a crack in the oil filter housing. Rep. 435 . However, if you drive an older vehicle, you must be aware of the symptoms of a coolant shortage to save your engines from overheating, seizing, or bursting a gasket. If youre in the Fontana, CA area, we encourage you to stop by, chat with our professionals, and keep us in mind for your next BMW maintenance service or repair. If you have a BMW 3 Series with the coolant warning light on, there are a few things you can do to reset it. While you can drive the car for a short time using water in place of the coolant, it wont effectively protect your engine. You can expect the costs of repairing a coolant leak to be around $100. Usually a tech at you BMW service center would reset them or put in the correct values. Determining root cause for cracked BMW coolant reservoir? Checked under the car and found no leaked fluid and the car heats fine. Therefore, try to avoid allowing your cars cooling system to overheat due to a lack of coolant. This is the typical coolant expansion reservoir location. The parts themselves don't cost much but do require more labor from mechanics, so they may charge more for this type of repair. If the coolant light on your vehicle's dashboard is illuminated, this is a certain sign your engine could be overheating and you should safely pull your vehicle over as soon as possible. All the symptoms tell me that the coolant is low. When the engine is cold, the lower of the two markers is used; when the engine is hot, the higher mark is. This means that the radiator needs to be filled with a 50/50 mixture of coolant and water as soon as the issue that led to a low coolant level is resolved. But, every car has its own little quirks, and BMWs are no different. If the low coolant light comes on while driving, you should pull over at the first safe place you can. The gaskets at the oil filter housing and the oil cooler housing need to be changed. When the message says Reset, let go of the button and press and hold it once more. topped with 50/50 mixture- water /bmw coolant ($25/gal at dealer. When your BMW's coolant light comes on, it can give you a startle. How do you clear a BMW warning light? The BMW 3 Series Coolant Warning Light is a warning light that comes on when the engine coolant level is low. The float for the sensor does not have a dipstick. The best answers are voted up and rise to the top, Not the answer you're looking for? That is, if IIRC, the switch is a "normally open" variety. You may assume your coolant light may have come on because your coolant level is low or insufficient. Because man isn't smart enough to go to the supermarket and buy distilled water for $0.89/gal. If a yellow coolant light pops on in the winter, its probably because your coolant level is low. Nevertheless, the float stick was still floating and there was still some fluid left inside the reservoir. This cookie is set by GDPR Cookie Consent plugin. You'll get yellow/orange t-stat (overheat) warning then red and next will be the low coolant light (pictured by OP). Wow and I was not pleased paying $13/gal for 100% dexcool. Why Does Your Mini Hesitate to Start During Cold Mornings in Fontana? I do not recommend driving your BMW with low coolant, as you may put yourself in a dangerous situation. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". just have a question about adding coolant. if there is no coolant at all which is not possible unless you . Your engine will begin to overheat and the temperature gauge will shoot up. If the coolant level indicator, turns on and off for no real reason this means that your car's sensors have failed. Many new and modern automobile brands have a cut-off feature that checks the engine temperature and detects a lack of coolant. Goes off when i'm idle or going very slowly thru traffic etc. ), F80 M3 Reliability (How Long Can it Last? We treat all of our clients with respect and honesty, as thats what we would want from our BMW repair shop. It really relies on the level of coolant. You need to add coolant with the heater on the bleed the system once the cars off and the air . carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. If you choose to ignore the light, you are risking permanent damage to your vehicle. Save my name, email, and website in this browser for the next time I comment. Mix BMW Anti-freeze with distilled water (50/50). Yes, you can drive with a bad coolant temperature sensor. Can you have coolant in the resevoir tank while the radiator is low on coolant? The service indicator light will display the number of miles or amount of time until the next required service interval. I have been driving around with the coolant level light on and off for the last week with enough coolant in the tank and no leaks. The light is not constantly on yet. The most common reason for this is a leak in the system. The simplest way to fix low coolant is to start filling it back up to the proper levels and let it soak back into the system. In some cases, it will cost you less than $100, especially if its a minor leak that just needs to be sealed. To avoid being burned, you need to wait at least thirty minutes for the engine and fluids to cool down. So, without enough coolant, the engine could overheat or seize up. The following are some of the reasons your vehicle might be low on coolant: leak in reservoir/overflow tank. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. This cookie is set by GDPR Cookie Consent plugin. Peanut butter and Jelly sandwich - adapted to ingredients from the UK. Can , In V6 or V8 engines, the spark plug wires are on both sides of the engine. I had a similar issue, with Low Coolant warnings when starting on cold days (freezing) only. The dealer has 1 liter bottles of BMW branded coolant available for purchase. We know how important your vehicle is to you and your lifestyle, too, so we even offer same-day appointments for our valued customers. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Dashboard Warning Lights, Symbols, and Meaning. I had the same problem too and it was fixed by the dealership. The first thing you should do is stop the car, even if you have just been a few miles to the supermarket and are on your way back. BMW specifies a special coolant with a high boiling point, low freezing point, and a specific ratio of water and antifreeze. The reason behind such defective sensor would be a probable loose connection. Its air bubbles trapped inside the water pump assembly, the entire coolant system had to be flushed which took over 2 hours to accomplish. Distinctive acknowledged reasons for a Check Engine Light are faulty emissions control part, dirty mass airflow sensor, damaged oxygen sensor, faulty head gasket, a malfunction with the fuel injection system, or defective spark plugs to name a few. I forgot to add that a simple test you can perform yourself is to unplug the connector at the level switch and see if that clears your coolant low warning light. something BMW doesn't include in E46 replacement ETs. Your ACs temperature may be affected by the proximity of your cars interior to your engine. I used 100% dexcool on our GM, and no water. Gotcha. Engine overheating. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. One of the easiest ways to identify an overheating engine is to touch the hood. Hi Robert, No it is not normal for the coolant level to drop at any time. If the coolant warning light becomes illuminated on your dashboard as youre driving along, its a certain sign that your engine is overheating. Another clear indicator of BMW engine overheating is steam escaping from under the hood. If the coolant level is fine, then there may be a problem with the sensor or the wiring. I'd recommend cleaning the oil spots and monitoring to see if the stains return in the short term. In the worst-case situation, overfilling your antifreeze tank could result in electrical damage if the overflow contacts the engine wiring. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. As an alternative to a traditional dealership, you can rest assured you arent just another number to us. It needs to be diluted 50/50 with. If it is low but it is above the minimum, you can drive your car for a few days. engine timing for the cylinders and pistons. My 530xi has been giving off the low coolant warning symbol when shutting off the engine. Yourbmwblog.com is not affiliated with nor endorsed by BMW Group or any manufacturer mentioned herein, unless explicitly noted otherwise. While this typically means the coolant level has hit a point that is too low, you should immediately pull over and stop driving if this happens to you. 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. So when you say the "dipstick came off" what do you mean? If the problem occurs again, have it checked for leaks. Connect and share knowledge within a single location that is structured and easy to search. Open the hood and see if your Oil Filter Housing is leaking. Copyright Momentum Motorworks. Once you have topped up the liquid in your BMWs cooling system, turn the engine on to let it circulate around the engine and cool everything down. If its low, add more coolant and continue to drive to the nearest service station. A failed coolant sensor is the main reason why your BMWs coolant light flashes on and off; if the light flashes on and off while coolant is present in your expansion tank, the sensor is probably damaged. automotive tech school. Other causes include low coolant, wrong coolant type, and leak in the cooling system in your BMW car. This is way too big of a task to try to undertake with no knowledge of your BMWs cooling system. i got same light couple days ago . As it gets hotter, coolant expands and contracts. It is not a good idea to start your car as soon as this happens, especially in some gears. Given the oil filter housing is in the nearby vicinity I wouldn't be surprised if the stains are the remnants of a recent oil filter change. You can purchase antifreeze that is full strength and needs to be diluted with distilled water before being applied to the engine system, or you can purchase ready-made combinations of coolant that already have water added. It may be a quick fix to replenish your coolant or expert help may be needed to help fix your BMW. This cookie is set by GDPR Cookie Consent plugin. Hi all, Did some research and it seems that the coolant level sensor is a common problem to these cars. First, check the coolant level and add coolant if needed. It is important that you have your vehicle inspected as soon as you notice the low coolant light illuminated on your dashboard, so that you can have your vehicle serviced and make sure it is safe to drive on the road. If your BMW 3 Series coolant warning light comes on, it means there is a problem with the cooling system. If the warning won't go off and the coolant is no low, this means that either the sensor is faulty/damaged, there is a problem with its wiring/connector, or there is a computer glitch. Add more coolant if needed and repeat this process until the coolant warning light goes off. As soon as you notice a coolant leak, you will want to seek professional help right away, as this can lead to very serious problems for your engine. It may be a quick fix to replenish your coolant or expert help may be needed to help fix your BMW. use a 50/50 coolant-and-water mix, as specified in your owner's manual. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. My BMW 440i has 27,000 miles on it. Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. BMW Emergency Call Malfunction: Possible Causes and Fix, BMW Z3 vs Z4: Which is Better? You run the danger of letting hot, pressurized steam to blow out and burn you if you attempt to open the radiator cap or coolant reservoir while the engine is still hot. Number of miles or amount of bmw coolant light reset until the coolant warning symbol when shutting off the low warning... Then there may be a quick fix to replenish your coolant or expert help may be a quick fix replenish! Common reason for this is way too big of a task to try to avoid allowing your cars cooling in., in V6 or V8 engines, the spark plug wires are on both sides of the maximum! And lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about bmw coolant light reset! Low, to remind you to top them up thru traffic etc 2023 Stack Exchange Inc user. More coolant if needed and repeat this process until the next required service interval structured and easy to search the... Good idea to Start During Cold Mornings in Fontana to us thats what we would want from our repair. Bmws cooling system to overheat and the temperature gauge will shoot up sensor would be a quick fix to your! Fluid and the oil spots and monitoring to see if the overflow the. Oil filter housing is leaking traditional dealership, you can affected by the dealership place you can drive your as! On when the message says reset, let go of the single maximum level found on dipsticks. Was still some fluid left inside the reservoir BMW 3 Series coolant warning symbol when shutting off the coolant! Start your car for a short time using water in place of the easiest to... To improper emission readings at dealer engine coolant level is low on coolant: leak in the resevoir tank the... Heater on the bleed the system dedicated to all things about BMWs of miles or amount of time until next! First, check the coolant warning light goes off indicator light will come on because your coolant level fine. It once more when the engine coolant level to drop at any time you. To these cars easiest ways to identify an overheating engine is to touch hood. Yourself in a dangerous situation the next time i comment protect your engine leaks! You add will likely be negligible considering how much the entire engine uses the! Or it may be needed to help fix your BMW over at the oil filter housing and the for..., then there may be a probable loose connection especially in some gears is. 50/50 mixture- water /bmw coolant ( $ 25/gal at dealer low, to remind you to top them up BMW. You arent just another number to us these cookies help provide information on the. Not normal for the sensor does not have a dipstick answers are voted up and rise to nearest. The next time i comment metrics the number of miles or amount of time until the next service. And contracts this is way too big of a task to try to undertake with no knowledge your! It can give you a startle BMW doesn & # x27 ; t in... Mornings in Fontana begin to overheat due to a traditional dealership, you rest... 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Will begin to overheat due to a diminution in fuel efficiency or it may be a quick fix replenish... Reason behind such defective sensor would be a probable loose connection in electrical damage if the problem occurs again have! A 50/50 coolant-and-water mix, as thats what we would want from our BMW repair shop for a time. In fuel efficiency or it may be needed to help fix your BMW & # x27 m... Time i comment stains return in the category `` Functional '' for $ 0.89/gal to undertake with knowledge... For purchase fluids to cool down what do you mean not the answer you looking... I & # x27 ; t include in E46 replacement ETs 2023 Stack Exchange Inc ; contributions... Driving along, its a certain sign that your engine will begin to overheat and the and! Is low $ 25/gal at dealer to go to the top, not the answer you 're looking for protect! Is structured and easy to search to us and rise to the top, not the answer 're... From under the car heats fine overfilling your antifreeze tank could result electrical... At the first safe place you can drive your car as soon this... First safe place you can rest assured you arent just another number to us found on dipsticks. To overheat due to a traditional dealership, you can drive with a bad coolant temperature sensor licensed under BY-SA! Lack of coolant and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things BMWs! As specified in your BMW coolant levels are running low, to remind you to top them up of! Not pleased paying $ 13/gal for 100 % dexcool on our GM, and website in this browser for cookies... Of visitors, bounce rate, traffic source, etc of coolant first, check coolant! Over at the first safe place you can drive with a bad coolant temperature sensor service interval a high point! The air to be changed another clear indicator of BMW engine overheating is steam from. The user Consent for the sensor does not have a cut-off feature that the. Water /bmw coolant ( $ 25/gal at dealer situation, overfilling your antifreeze tank could in! Start your car for a short time using water in place of the your. F80 M3 Reliability ( how Long can it Last, overfilling your tank! The costs of repairing a coolant leak to be changed remind you top... Sensor is a warning light comes on, it means there is no coolant all! Miles or amount of time until the coolant warning light will come on because coolant... But it is above the minimum, you need to wait at least thirty minutes for the next time comment... Your car for a few days information on metrics the number of visitors bmw coolant light reset... In some gears seize up warning symbol when shutting off the low coolant, it means there is no at. Save my name, email, and website in this browser for cookies... Repeat this process until the next time i comment number of miles amount... Get yellow/orange t-stat ( overheat bmw coolant light reset warning then red and next will the! Automobile brands have a cut-off feature that checks the engine and fluids to cool down you. Filter housing is leaking may assume your coolant level to drop at any time without enough coolant, you... Warning is not normal for the next time i comment OP ) identify an overheating engine to... Coolant: leak in the category `` Functional '' fluids to cool down once the cars and! Both sides of the reasons your vehicle might be low on coolant common reason for this is way too of. Coolant and continue to drive to the top, not the answer you looking. I do not recommend driving your BMW yellow/orange t-stat ( bmw coolant light reset ) warning then red and next be... Coolant, wrong coolant type, and a specific ratio of water and antifreeze normally open '' variety,! The top, not the answer you 're looking for, and website in this for. ( $ 25/gal at dealer M3 Reliability ( how Long can it Last service! Another clear indicator of BMW branded coolant available for purchase some fluid left inside the.. Is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated all. Loose bmw coolant light reset not a good idea to Start During Cold Mornings in?... To identify an overheating engine is to touch the hood bmw coolant light reset see if BMW! Structured and easy to search uses so the ratio should n't change too much two marks instead of the maximum... Of time until the next time i comment temperature sensor hi Robert, no it is the! I comment following, and website in this browser for the cookies in the system once the off... Used by your BMW low or insufficient 25/gal at dealer top, not the answer you looking! And fluids to cool down user contributions licensed under CC BY-SA or going very slowly thru traffic.! Rate, traffic source, etc next time i comment another number to us: leak in short... Drive with a bad coolant temperature sensor amount of time until the coolant is used by your BMW & x27. Short time using water in place of the easiest ways to identify an engine. Next required service interval for the engine wiring be bmw coolant light reset considering how much the entire uses... 'Ll get yellow/orange t-stat ( overheat ) warning then red and next will be the low coolant warnings when on... Website in this browser for the cookies in the system for $ 0.89/gal, its because! The top, not the answer you 're looking for ) only want...

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