Discovering noises from your car frequently is never comfortable, so hearing air conditioning noises on your BMW 3 Series can be a matter. This symptom may be a sign of a moderate problem as well as a warning of a much significant repair to come. In any case, it is very important to look into its source and take the required actions to solve the issue, it is with this in mind that we wanted to compose this article to help you understand it better. We will first look at the conceivable causes for noise in the ventilation of your BMW 3 Series. Then, in a second step, we will concentrate on the noises connected to the air conditioning of your car.air-conditioning-noise-bmw-3-series

Noise air conditioning BMW 3 Series : most general triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your BMW 3 Series

Discovering a air conditioning noise on BMW 3 Series is never pleasing, and can make your travels specifically distressing. Ventilation is important whether it is in winter to defog your windscreen or to cool down the car during the summer. In any case, having a dull noise from the air conditioning of your BMW 3 Series is a matter that must be dealt with. This noise is very often connected to a worn or dirty fan motor. To ensure that that the issue is caused by the ventilation, we advise that you open the ventilation of the issue location and check the state of the fan, possibly grease it first, and if this is not sufficient, it will most certainly have to be substituted.

I hear an air conditioning noise clicking BMW 3 Series

We will now look into the clicking air con sounds you may hear from your ventilation. A clicking noise from BMW 3 Series air conditioning is often the result of a duct or fan blocked by a foreign body. This noise is expected to amplify as the air flow in the circuit raises. Keep in mind to verify the cleanness of your air inlets at the top of your hood, for example. You will then have to open the conduit in question and find the foreign body. If the issue is persistant, take your car to your mechanic.

I perceive an hissing air conditioning noise BMW 3 Series

Finally, if you experience a whistling noise in the ventilation of your BMW 3 Series, it may be that the source of it is connected to a fan that has shifted or is commencing to dry . In any case, you will need to examine the fan that causes you problem to visually verify its state. The easiest way is to open the ventilation circuit again, and turn on the system while you are examining its proper action, you can try to grease it to limit this noise, but it is very likely that the final answer is to replace it. If you have a whistling noise but are not sure if it is connected to ventilation, we encourage you to check with this document about front end noise on BMW 3 Series to find its source.

I hear an air conditioning BMW 3 Series noise : particularly generated from your air con system

Slamming noise air conditioning BMW 3 Series

We will now take a look at the precise part of the air conditioning side of your heater fans and the origin of the noise it can release. A clicking noise in your air conditioning, if it is brief and when you start it only means a good functioning of your air conditioning compressor which lights up, this noise can be loud. In contrast, if you hear a clicking noise or air conditioning scrap metal on your regular BMW 3 Series, you will have to get worried in this case. Indeed, it can state an air conditioning compressor clutch, or compressor itself at the end of its life. So have your mechanic verify its proper performance.

Pshhh noise / hissing air conditioning BMW 3 Series

If you fell pshhhh or whistling noise on the air condition side of your heater fan on BMW 3 Series, but in cooling mode, you have two options to explain this issue. Indeed, at first, the most likely cause is that your air conditioning equipment is running out of gas, to verify it you should feel that the cold it has to emit is no longer as cold as before, if so, have your air conditioning system charged on your BMW 3 Series and the issue should be fixed. On the other hand, you may experience a system leak and this psshhh or hiss may be connected to the gas escaping from the system. You can check out the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your car to your mechanic.