Discovering noises from your automobile very often is never pleasant, so discovering air conditioning noises on your BMW 5 Series can be a concern. This warning sign may be a sign of a slight trouble as well as a warning of a much bigger fix to come. In any case, it is very important to research its origin and take the necessary actions to solve the problem, it is with this in mind that we decided to prepare this document to help you understand it better. We will first look at the possible reasons for noise in the ventilation of your BMW 5 Series. Then, in a second part, we will deal with the noises relating to the air conditioning of your automobile.air-conditioning-noisebmw-5-series

Noise air conditioning BMW 5 Series : most general causes coming from general ventilation

Loud noise or roar from ventilation or fan of your BMW 5 Series

Discovering a air conditioning noise on BMW 5 Series is never enjoyable, and can make your trips specifically annoying. Ventilation is useful whether it is in winter to warm up or defog or to cool down the car during the summer. In any circumstance, having a thumping noise from the air conditioning of your BMW 5 Series is a concern that must be treated. This noise is very often connected with a worn or dirty fan motor. To ensure that the problem is triggered by the ventilation, we advise that you open the ventilation of the problem area and examine the condition of the fan, possibly grease it first, and if this is not enough, it will most likely have to be replaced.

I listen to an heater fan noise clicking BMW 5 Series

We will now have a look at the clicking noises you may listen to from your ventilation. A clicking noise from BMW 5 Series heater fan is often caused by a duct or fan clogged by a foreign body. This noise is supposed to amplify as the air flow in the circuit raises. Remember to check 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 lasts, take your automobile to your mechanic.

I listen an hissing heater fan noise BMW 5 Series

Finally, if you acknowledge a whistling noise in the ventilation of your BMW 5 Series, it may be that the origin of it is connected to a fan that has shifted or is commencing to dry . In any case, you will have to inspect the fan in question to visually check its condition. The easiest approach is to open the ventilation circuit again, and rotate the system while you are watching its proper operation, you can try to grease it to limit this noise, but it is very likely that the final alternative is to swap it. If you have a whistling noise but are not sure if it is connected to ventilation, we suggest you to check out this content about front end noise on BMW 5 Series to discover its origin.

I listen to an heater fan BMW 5 Series noise : specific air conditioning

Slamming noise air conditioning BMW 5 Series

We will now look into the precise part of the air conditioning side of your heater fans and the source of the noise it can emit. A clicking noise in your air conditioning, if it is quick and when you start it only signifies a good function 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 5 Series, you will have to feel concerned in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be changed. So have your mechanic check its proper operation.

Pshhh noise / hissing air conditioning BMW 5 Series

If you notice pshhhh or whistling noise on the air condition side of your heater fan on BMW 5 Series, but in cooling mode, you have two alternatives to explicate this problem. In fact, at first, the most likely answer is that your air conditioning system is running out of gas, to check it you should feel that the cold it has to emit is no longer as low as before, if so, have your air conditioning system charged on your BMW 5 Series and the problem should be fixed. Otherwise, you may experience a system leak and this psshhh or hiss may be connected to the gas getting away 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 automobile to your mechanic.