While air conditioning in a car is one of the most chosen features during the summer, it can also bring in some inconveniences. In actual fact, the air conditioning in a BMW 4 Series can have a bad smell, and in this article we’re going to try to enable you identify why. To achieve this, first we will examine the reason of this bad smell of air conditioning, then, in a second time, we will try to give you possibilities to make them go away.

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Why does the air conditioning of my BMW 4 Series have a smell of humidity?

So we begin our content page with the beginning of the bad smells coming from the air conditioning of your BMW 4 Series. Regardless you have the feeling that it is a musty smell, humidity, or other, the origin of these smells is often times similar. In actual fact, air conditioning causes a lot of humidity, which will tend to gather in the ventilation system of your BMW 4 Series. This humidity is the perfect source of the proliferation of bacteria and fungi of all types in the air conditioning of your BMW 4 Series. In addition, it is possible that smoking in your vehicle, or not cleaning it often (food debris for example) will develop enhance the odors. Finally, the last classic motive for a bad air conditioning smell in your BMW 4 Series is that you have a refrigerant gas leak, called FREON gas, which is toxic and produces a bad smell that will propagate in the passenger compartment of your car.

What can I do to get the bad smell out of my BMW 4 Series?

Now that you know where to look to uncover the motive of this smell, we will try to help you to eliminate bad air conditioning odors on your BMW 4 Series, because moreover to being problematic these odors can be harmful to your airways, it is therefore very important to get rid of them quickly.

Eliminating an unpleasant air-conditioning odor

We will now do a list of actions you can take to eliminate these air-conditioning odours on your BMW 4 Series:

  • Although it may seem to be evident, the dirt that accumulates in your car will promote the expansion of germs and therefore bad odors, cleaning your BMW 4 Series on a regular will allow you to take out many of the sources of these.
  • The best remedy is to clean the whole air conditioning system of your BMW 4 Series with antibacterial and anti-fungicidal products. To achieve this, please browse our content page which clarifies in detail the process to follow.
  • Replace the cabin or pollen filter of your BMW 4 Series: This filter which aims to protect against impurities from getting into the cabin of your car must be replaced every year and can store bad smells, remember to check its condition.

Avoid musty air-conditioning odors on BMW 4 Series

To conclude, last part of our content page on air conditioning smells on BMW 4 Series, we are now going to give you some recommendations to maintain your air conditioning system and avoid bad smells in your BMW 4 Series:

  • Switch off the air conditioning 5/10 minutes before turning off the engine: In actual fact, constantly conduct 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 rubbish is the first thing that causes bad odors, so remember to keep your car healthy.
  • To be certain that the air conditioning of your BMW 4 Series is always in good working order (air conditioning compressor in particular), it should be run for 10 minutes every month.
  • Make sure that there is no leak on your air conditioning is essential, indeed, the liquid is toxic and furthermore the operation of your air conditioning would be downgraded in the case of a leak.

To find more tips on the BMW 4 Series, take a look at the BMW 4 Series category.