Noticing signs of dwindling air conditioner performance can be helpful, but sometimes these things seem to happen completely overnight. We have maintained and repaired countless numbers of BMW cars in the areas near beautiful Santa Barbara, CA, where driving a BMW is especially warranted. If you turn off the ac for an hour or so, in warm weather, the ice should melt and your airflow will be normal, and cold for a while, when you restart the a/c. B. When it comes to air conditioning problems, these are the three most important questions to ask yourself: If after turning on your air conditioning to full blast you notice that nothing happens at all, it could be simply related to an electrical switch issue with the air conditioning button. It has recently been really hot and to my surprise on the hottest day of the year my ac was not working. No one wants cold air blasting in the middle of winter, even if you’re one of those rare folks wearing short sleeves in December. Viewed 6k times 6. If your A/C smells damp, then you likely have a buildup of mold and mildew in your A/C. To get best results, you have to be moving at least 30 mph - stop-and-go traffic is not the best place to be cooling off your car. If I choose AUTO I get cold air out of the driver and passenger side but ambient temp from the center ones. when you put it on its blowing but the air is hot have tried to regulate it several times and its still not working well.the back passenger left is not cooling also, but the right is cooling. BMW vehicles are especially advanced when it comes to driver comfort, and their air conditioning systems are no joke. The problem may lie with a broken part. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. The air compressor is what generates power, causing the air to blow through the vents. BMW F30 / F31 3-Series Air Conditioning & Vents, Page 3 (This page covers: A/C Evaporators and Parts, A/C Line O-Rings, A/C Schrader Valves, A/C Valves, HVAC Motors) ... Usually, then a fan blows air over the evaporator. While some cars are known to have a more feeble A/C than others, you most certainly shouldn’t settle for lukewarm air. If your condenser fan is not working, the system may not work properly also. We have the solution. An A/C that is stuck on all the time doesn’t just make driving uncomfortable, it also costs you money. These are the two most common reasons for air conditioning failure in a BMW vehicle, or any vehicle for that matter. While there are a variety of reasons your BMW 128i air conditioning won't work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. We can have your A/C back up and running in no time, saving you money, stress, and discomfort in the long run. You might not have any air coming out at all—or at least it may seem that way. The heater blows warm air but definitely not common... First things first.....You must have the air conditioning system hooked up to an a/c system machine and then checked for leaks and also read low and high side pressures. Does the air conditioner blow air at all? $14.43. Don’t be stuck with smells, heat, cold, or lackluster cooling. Since air conditioning in your BMW is essential, especially during summer months, we always make it a point to inspect air conditioning parts routinely throughout the year so that our clients are never left without working air conditioning. ● broken or jammed dial stuck in the off position Gas leaks can be very dangerous, so if you smell fuel when turning on your A/C, have the matter addressed quickly. As we mentioned before, Freon leaks can cause your air conditioner to produce only warm air—or at least not cold air. Hello, I have a 1994 318i bmw and the air conditioner just quit blowing cold air. When it comes to your air conditioning system, different parts produce similar results when they start to fail. Air conditioning allows you to keep the windows up and exist in your own quiet and comfortable cabin, if you wish. But I can hear it. If you are concerned that your air conditioning system has begun to recently fail or malfunction, please contact our shop to schedule an appointment as soon as possible. 119 people reported this problem. The AC / Interior fan will not engage/work on my 2004 BMW X5. A thorough inspection of your air conditioning system will quickly detect a Freon leak and can quite easily be traced back to where the leak began. I have connected the cheap P.O.S air conditioning gauges to … This odor … Private . Getting the heart of the matter is easy for expert technicians, and if you keep on top of your servicing schedule, you will likely find that you never need to worry about cooling or heating issues. Below, … When the air conditioner in your 2014 BMW 320i starts blowing hot air, you likely have a freon leak. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all. ● the blower motor relay has shorted ... BMW 3 series 320D ac blowing hot air. A working A/C means that you can drive in comfort no matter the weather or the terrain or conditions outside. Your air-conditioning system may be low on refrigerant. ● air conditioning won’t turn off. The compressor was checked by jumping a wire to it and it comes on and cold air will start blowing. ● the blow control unit has shorted. 39 comments. It’s likely your evaporator coil is frozen over with ice, generally a result of slightly low refrigerant charge. ● compressor failure. There are several different possible causes of air conditioning failure, and this elicits the need for a professional BMW mechanic to perform a differential diagnosis. BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > AC started blowing warm air mid drive, HELP please!! If the air doesn’t blow at all, an electrical problem could still be the cause of the issue. ● blocked air ducts This can be just as bad as having an A/C that won’t turn on. Where to Take Your BMW for Suspension Repair in Carrollton. For instance, there is a sequence of questions one might ask themselves when trying to isolate the specific part of the BMW that needs replacement or repair. The A/C takes fuel to run, so if you’re using it constantly, your BMW will achieve fewer miles per gallon than usual. ● the a/c controller has shorted Air conditioning is one of the greatest perks of modern motoring that is simply taken for granted. A/C Evaporator. Post Reply Thread Tools: Search this Thread 10-03-2017, 07:22 AM #1: HaloEyes. I have a 2008 bmw m3. However, if air blows even the slightest bit but is weak, then the problem could be traced to the blower motor or HVAC blower. ● the refrigerant is running low. Rep. 56. ● stuck valve If after turning on your air conditioning to full blast you notice that nothing happens at all, it could be simply related to an electrical switch issue with the air conditioning button. Suite #114 Carrollton, TX 75006, Copyright © 2020 Ultimate Bimmer Services, Bmw Electrical System & Electronics Repair, have your A/C back up and running in no time, Recognize Common Electronic Problems in Your BMW, The Negative Impact of a Clogged Fuel Pump to Your BMW’s Performance, Reasons for Ball Joint Failure in Your BMW in Carrollton, How to Fix Your BMW’s Wheel Vibrations in Carrollton. 4. It can leave you relying on the old fashioned cooling method of rolling the windows down for air circulation. The professionals here at Santa Barbara Autowerks specialize in German-engineered vehicles like BMWs. Ask Question Asked 4 years, 2 months ago. Diagnosing air condition system issues in a BMW is not much different from that of other cars. But of course, all these great perks can be lost without the correct maintenance. 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