Whether you want to cool down in summer time, or help you clear the fog from your windshield in the winter, air conditioning in vehicles has become an almost required feature lately. But what if the air conditioning in an BMW 3 Series isn’t cold anymore? This is exactly the question we will try to answer on this page. First, we’ll look at the various complications that can prevent the air conditioning in your BMW 3 Series from cooling down, and at last, we’ll look at the solutions available to you to fix this problem.

air-conditioning-no-coldbmw-3-series

WHY IS THE AIR CONDITIONING IN MY BMW 3 Series NO LONGER COLD?

We will begin our guide with the signs of illness that can justified that the air conditioning of your BMW 3 Series is no longer cooling.

BAD AIR CONDITIONING SMELL in my BMW 3 Series air con

One of the fairly known signs that can warn you to the fact that your air conditioning is not working is if you have a musty or damp smell inside your car, and yes, a bad smell can be a warning of a defective air conditioning system, it can be permanent or only present when you turn on your air conditioning. To discover a solution to this failure, we suggest you to go through our guide dedicated to bad air conditioning odors on BMW 3 Series.

AIR CONDITIONING NOISE ON BMW 3 Series

One of the other indicators that can inform you to a malfunctioning air conditioner is that you experience a strange noise is coming on when you turn on your air conditioner (feel free to approach the vents to check for any dubious noise). This noise could reveal a defective air conditioning clutch or a defective customer compressor.

LOSS OF PRESSURE IN THE AIR CONDITIONING CIRCUIT

Actually quite hard to spot without advanced mechanical skills, a loss of pressure in your car’s air conditioning system can result in your air conditioning no longer generating cold. There are some possible causes for this loss of pressure, and these are listed below:

  • Leakage of refrigerant fumes
  • Non-functioning air conditioning compressor

AIR CONDITIONING SYSTEM THAT DOESN’T WORK AT ALL on my BMW 3 Series

At last, it’s possible that the air conditioning in your BMW 3 Series is no longer cold just because your air conditioning system is no longer functioning. Here are the different roots of an air conditioning system that no longer functions:

  • Compressor pulley HS: The compressor will be out of power and the circuit will be stopped.
  • Overpressure problem: This will bring about the device to trip.
  • Faulty sensor: As with overpressure, the air-conditioning system will switch to safe mode.

HOW DO I RESOLVE THE AIR CONDITIONING ON MY BMW 3 Series THAT IS NO LONGER COOLING?

Now that we have been capable to see the main triggers of a BMW 3 Series air conditioning system that no longer cools down, we are going to present you the different solutions available to you . To begin with, you should know that an air conditioning system is complicated, and that wanting to perform repairs yourself is not always the best idea, presuming that you are sure of the origin of the breakdown. Nevertheless, here are the main possible repairs and an estimate of their cost.

First step, before carrying out any major repair, clean the air conditioning of your BMW 3 Series, don’t think twice to look at our focused upon content page on this subject matter.
If this is not enough, bleed and refill the coolant, which should cost you around 100aine euros.
Changing the air conditioning clutch: you will need to spend around 150 euros for parts and around 100 euros more for labour.
Searching for and repairing an air conditioning leak: based on the position of the leak it will cost you more or less, count on average 150/200 euros, counting the air conditioning refill.
Replacement of an air conditioning condenser: you will need to count about 200 euros.
Changing the air conditioning gas compressor on BMW 3 Series costs about 500 euros with labor.

If you have any further questions about the BMW 3 Series, do not hesitate to consult our BMW 3 Series category.