Although air conditioning in a car is one of the most chosen aspects when hot, it can as well lead to some inconveniences. In reality, the air conditioning in a BMW 3 Series can have a bad smell, and in this article we’re going to try to help you identify why. To get this done, first we will examine the cause of this bad smell of air conditioning, then, in a second time, we will try to give you answers to make them go away.

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Why does the air conditioning of my BMW 3 Series have a smell of humidity?

So we start our article content with the beginning of the bad smells originating from the air conditioning of your BMW 3 Series. If you have the feeling that it is a musty smell, humidity, or other, the origin of these smells is more often than not alike. In reality, air conditioning makes a lot of humidity, which will usually tend to accumulate in the ventilation system of your BMW 3 Series. This humidity is the ideal source of the expansion of bacteria and fungi of all forms in the air conditioning of your BMW 3 Series. Additionally, it is possible that smoking in your vehicle, or not cleaning it on a regular basis (food debris for example) will play a role in increase the odors. At last, the last traditional cause for a bad air conditioning smell in your BMW 3 Series is that you have a refrigerant gas leak, called FREON gas, which is toxic and emits a bad smell that will disperse in the passenger compartment of your car.

What can I do to get the bad smell out of my BMW 3 Series?

Now that you know where to look to find the motive of this smell, we will try to help you to get rid of bad air conditioning odors on your BMW 3 Series, because in addition to being problematic these odors can be harmful to your airways, it is therefore necessary to get rid of them quickly.

Eliminating an unpleasant air-conditioning odor

We will now make a list of actions you can take to get rid of these air-conditioning odours on your BMW 3 Series:

  • Nevertheless it may look obvious, the dirt that accumulates in your car will encourage the development of germs and therefore bad odors, cleaning your BMW 3 Series regularly will allow you to take off many of the origins of these.
  • The best remedy is to clean the whole air conditioning system of your BMW 3 Series with antibacterial and anti-fungicidal products. To get this done, please seek advice from our article content which clarifies in detail the procedure to follow.
  • Replace the cabin or pollen filter of your BMW 3 Series: This filter which aims to protect against impurities from entering the cabin of your car must be changed every year and can store bad smells, make sure check its condition.

Avoid musty air-conditioning odors on BMW 3 Series

To conclude, last part of our article content on air conditioning smells on BMW 3 Series, we are now going to give you some suggestions to preserve your air conditioning system and avoid bad smells in your BMW 3 Series:

  • Switch off the air conditioning 5/10 minutes before turning off the engine: In reality, always do this step will allow you to dry a maximum of humidity in your ventilation circuit and thus limit the humidity.
  • Although it sounds basic, you don’t always have time to take care of your car, but trash is the first thing that triggers bad odors, so remember to keep your car healthy.
  • To make certain that the air conditioning of your BMW 3 Series is always in good functioning order (air conditioning compressor in particular), it should be run for 10 minutes every month.
  • Be certain that there is no leak on your air conditioning is important, in actual fact, the liquid is toxic and additionally the operation of your air conditioning would be altered in the case of a leak.

If you need more guides on the BMW 3 Series, go to our BMW 3 Series category.