Air conditioning is probably the most appreciated specs on modern cars. Even though it was historically available to high-end models, it has today been democratized for the vast majority of cars. However, this expensive and sophisticated technology necessitates special attention, and whether it’s for maintenance or because of odours, it is absolutely crucial to think about cleaning the air conditioning of your BMW 4 Series. This is exactly what we will teach you in more detail in this content page. First we will check in detail at the technique to clean the air conditioning of your BMW 4 Series, then in another step, we will look more generally at the maintenance of the air conditioning of your BMW 4 Series.

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How to clean my BMW 4 Series air conditioning

Let’s begin our content page with the cleaning of the air conditioning system of your BMW 4 Series. The only technique to accomplish a total cleaning of this system will be to use bactericidal and fungicidal products, in reality, your air conditioning creates loads of moisture that will stagnate in the system and will promote the creation of germs and bacteria of all kinds. You will find these products on the internet or in car centres. There are two solutions to achieve this, here they are

Service the air conditioning circuit of your BMW 4 Series in the simple way

Once you have a disinfectant spray, you can easily clean your car’s air-conditioning circuit.
The methodology is quite easy, nevertheless, this process can dirty the inside of your BMW 4 Series.

  • Take off the cabin filter.
  • Put in the disinfectant spray on the floor of your car (if possible on the passenger side).
  • Turn on your car’s ventilation and air conditioning (with the engine is on) with air recycling
  • With the windows closed, press the button on the bomb to empty it slowly but surely and close the automobile doors and leave it on for about ten minutes.
  • Once this time has passed, open the doors of your BMW 4 Series, ventilation still on and let the passenger compartment air out for about 20 minutes.

This methodology will allow you to rather quickly clean the air-conditioning system of your BMW 4 Series, but if you have bad air-conditioning odours on your BMW 4 Series that are persistent, we advise you to apply the second solution.

Clean deeply the air-conditioning system of your BMW 4 Series

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Now let’s go forward to the more radical method of performing a cleaning of your ventilation circuit in depth. You will have to purchase the same bactericidal and fungicidal spray, it is only the application that will be different. Here is the operation to stick to:

  • Take off your cabin filter.
  • By the external air intake of your BMW 4 Series (between the bonnet and the windscreen), with the engine on and the ventilation on, spray a couple of times for 5 seconds and leave all windows and doors closed for A few minutes.
  • Once this first step is finished you will be able to tackle the inside part of your air conditioning system, doing the same but not the inside air intake which is usually located under the glove box.
  • Finally, to finish, you can spray a few sprays into the vents of your BMW 4 Series.
  • All you have to do is air out your car while the product dissipates before you can use it again.

Maintenance of the air-conditioning of its BMW 4 Series

Finally, to end our content page, we will give you the main tips to respect, if you want to maximize the life of your air conditioning circuit on BMW 4 Series and limit unforeseen expenses.

  • Have your air conditioning serviced every year
  • Change your cabin filter every two years.
  • Have your FREON gas recharged every two years.
  • lean the air-conditioning system on your BMW 4 Series every year.
  • If you have any further questions about the BMW 4 Series, do not hesitate to consult our BMW 4 Series category.