Experiencing noises from your car frequently is never pleasant, so hearing air conditioning noises on your Bmw Serie 3 E90 can be a issues. This manifestation may be a sign of a minor trouble as well as a warning of a much larger fix to come. In any circumstance, it is very important to examine its origin and take the required measures to correct the problem, it is with this in mind that we desired to write this article to support you understand it better. We will first look at the plausible causes for noise in the ventilation of your Bmw Serie 3 E90. Then, in a second step, we will focus on the noises related to the air conditioning of your car.air-conditioning-noise-bmw-serie-3-e90

Noise air conditioning Bmw Serie 3 E90 : most general triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your Bmw Serie 3 E90

Experiencing a air conditioning noise on Bmw Serie 3 E90 is never pleasant, and can make your trips especially distressing. Ventilation is important whether it is in winter to defog your windscreen or to cool down the car during the summer. In any circumstance, having a dull noise from the air conditioning of your Bmw Serie 3 E90 is a issues that must be dealt with. This noise is very often affiliated with a worn or dirty fan motor. To be sure that the problem is induced by the ventilation, we suggest that you open the ventilation of the problem spot and inspect the condition of the fan, possibly grease it first, and if this is not enough, it will probably have to be changed.

I listen to an air conditioning noise clicking Bmw Serie 3 E90

We will now examine the clicking air con noises you may listen to from your ventilation. A clicking noise from Bmw Serie 3 E90 air conditioning is often a consequence of a duct or fan obstructed by a foreign body. This noise is likely to enhance as the air flow in the circuit gets larger. Please remember to verify the cleanliness 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 problem remains, take your car to your garage.

I read an hissing air conditioning noise Bmw Serie 3 E90

Finally, if you detect a whistling noise in the ventilation of your Bmw Serie 3 E90, it may be that the source of it is relating to a fan that has shifted or is starting to dry . In any circumstance, you will need to check the fan in question to visually verify its condition. The easiest option is to open the ventilation circuit again, and rotate the circuit while you are observing its proper action, you can try to grease it to limit this noise, but it is very likely that the final remedy is to replace it. If you have a whistling noise but are not sure if it is relating to ventilation, we recommend you to check out this article about front end noise on Bmw Serie 3 E90 to find its source.

I listen to an air conditioning Bmw Serie 3 E90 noise : specifically based on your air con system

Slamming noise air conditioning Bmw Serie 3 E90

We will now look at the particular part of the air conditioning side of your heater fans and the origin of the noise it can produce. A clicking noise in your air conditioning, if it is brief and when you start it only represents a good running of your air conditioning compressor which lights up, this noise can be loud. In contrast, if you listen to a clicking noise or air conditioning scrap metal on your regular Bmw Serie 3 E90, you will have to get worried in this circumstance. Indeed, it can announce an air conditioning compressor clutch, or compressor itself at the end of its life. So have your auto mechanic verify its proper operation.

Pshhh noise / hissing air conditioning Bmw Serie 3 E90

If you hear pshhhh or whistling noise on the air condition side of your heater fan on Bmw Serie 3 E90, but in cooling mode, you have two possibilities to explain this problem. Indeed, at first, the most likely solution is that your air conditioning system is running out of gas, to verify it you should experience 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 Serie 3 E90 and the problem should be fixed. On the other hand, you may encounter a system leak and this psshhh or hiss may be relating to the gas escaping from the unit. You can test the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your car to your auto mechanic.