Discovering noises from your car often is never comfortable, so hearing air conditioning noises on your BMW 5 Series can be a concern. This indicator may be a sign of a insignificant trouble as well as a warning of a much significant service to come. In any situation, it is very important to investigate its source and take the necessary actions to solve the issue, it is with this in mind that we desired to create this page to help you understand it better. We will first look at the conceivable reasons for noise in the ventilation of your BMW 5 Series. Then, in a second part, we will deal with the noises linked to the air conditioning of your car.air-conditioning-noise-bmw-5-series

Noise air conditioning BMW 5 Series : most basic origin 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 travels particularly unpleasant. Ventilation is useful whether it is in winter to defog your windscreen or to cool down the car during the summer. In any case, having a thumping noise from the air conditioning of your BMW 5 Series is a concern that must be solved. This noise is very often linked to a worn or dirty fan motor. To ensure that that the issue is created by the ventilation, we recommend that you open the ventilation of the issue region and inspect the state of the fan, possibly grease it first, and if this is not enough, it will most likely have to be swapped.

I notice an air conditioning noise like a click BMW 5 Series

We will now check out the clicking air con noises you may notice from your ventilation. A clicking noise from BMW 5 Series air conditioning is often a consequence of a duct or fan blocked by a foreign body. This noise is expected to increase as the air flow in the circuit increases. Remember to examine 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 remains, take your car to your mechanic.

I notice an hissing air conditioning noise BMW 5 Series

Finally, if you recognise a whistling noise in the ventilation of your BMW 5 Series, it may be that the origins of it is related to a fan that has shifted or is beginning to dry . In any situation, you will have to check out the fan that causes you problem to visually examine its state. The easiest method 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 solution is to swap it. If you have a whistling noise but are not sure if it is related to ventilation, we suggest you to read this content about front end noise on BMW 5 Series to discover its origin.

I notice an air conditioning BMW 5 Series noise : particularly based on your air con system

Slamming noise air conditioning BMW 5 Series

We will now have a look at the precise part of the air conditioning side of your heater fans and the source of the noise it can make. A clicking noise in your air conditioning, if it is quick and when you start it only signifies a good working of your air conditioning compressor which lights up, this noise can be loud. However, if you notice a clicking noise or air conditioning scrap metal on your regular BMW 5 Series, you will have to feel concerned in this situation. Indeed, it can announce an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your auto mechanic examine its proper performance.

Pshhh noise / hissing air conditioning BMW 5 Series

If you are subject to pshhhh or whistling noise on the air condition side of your heater fan on BMW 5 Series, but in cooling mode, you have two options to explain this issue. Indeed, at first, the most likely answer is that your air conditioning system is running out of gas, to examine 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 5 Series and the issue should be fixed. On the other hand, you may experience a system leak and this psshhh or hiss may be related to the gas escaping from the unit. 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 auto mechanic.