It may become corroded over time, or it could get hit with something, like a rock or stick, as you drive. Your radiator sits at the front of your car under the hood, making it very vulnerable to damage.
Your engine depends on this pressurized water and coolant mixture to function properly, so a lack of pressure is never a good thing. Not only can this cause a coolant leak, but it can also cause serious problems with your engine. If you have a weak cap on your radiator, coolant may come out through the radiator tube as it’s heated. Your radiator is a pressurized system, and a strong cap is a key to maintaining this pressure inside. While a coolant leak may be due to any number of factors, including certain driving conditions, your vehicle’s age, or poor maintenance, it’s most often due to one of three things:īelow, we’ll discuss how each of these problems can cause a coolant leak. This leads to a lot of wear and tear over time, making coolant leaks quite common in all vehicles. Because of this, it’s constantly working as long as your car is running. The cooling system’s main job is to prevent your vehicle from overheating as you drive. If only one part of this extensive system cracks or breaks for any reason, you will have a coolant leak. Your BMW’s cooling system is made up of many parts that all circulate coolant throughout the engine. Only attempt to fix the problem yourself if you know what you’re doing. If you rush the job, or if you don’t have the experience and skills necessary, you could damage other parts of the engine. If you choose to repair your coolant leak without the help of a mechanic, make sure to be careful and take your time. If the sealant wears off over time, you’ll be right back where you started! For this reason, it’s always better to replace the damaged part entirely. While some people believe that sealant will repair a leak, this is usually just a temporary fix. In most cases, your coolant will be leaking through one of the hoses that connect the engine to the radiator.Īs soon as you’re able to determine where the leak is coming from, drain the coolant out of the vehicle so you can replace the part safely. If you have a UV flashlight of your own, try shining it underneath your car and seeing what it picks up. To find the source of a leak, the mechanic will typically use a UV light. If you can find the source of the coolant leak, and if you have the necessary skills, you can probably fix the leak on your own. Can You Repair a BMW Coolant Leak Yourself? If you have some experience working on cars and can find the source of the leak yourself, you may be able to save some money.
The parts, on the other hand, usually are not very expensive.
This can be very tricky and labor-intensive, depending on where the leak is, so mechanics will often charge a lot for their labor. However, it will typically cost somewhere around $750-$1,000 if you have a mechanic repair it for you.ĭiagnosing and finding the source of a coolant leak is the biggest part of the job. The exact cost of a BMW coolant leak repair depends on your car’s model, where you live, and the severity of the leak. Because of this, the mechanic’s labor costs will likely be high.īelow, we’ll discuss more the cost of fixing a BMW coolant leak, as well as ways to cut this cost down, possible causes, and symptoms of a coolant leak. While the parts needed will not cost much, this is a very labor-intensive repair. Typically, it will cost somewhere between $750-$1,000 for a mechanic to diagnose and repair a coolant leak in your BMW. If you have noticed or are worried about a coolant leak in your BMW, you may be wondering how much it will cost to fix it. Having a coolant leak in your vehicle is not something you ever want to experience.
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