Have you ever experienced having hot weather inside your BMW because the air conditioning system refuses to work? Nothing is as frustrating as turning on your A/C on a hot day only to realize that instead of cool air, you get warm air or a funny sound from under the hood.

The air conditioning compressor is one of the most important components of your BMW’s cooling mechanism. Its function is to compress the refrigerant and pump it around the A/C system. This process makes it possible for the refrigerant to pick up heat from the cabin and give you cool air. A faulty AC compressor can make the shortest journey very uncomfortable. Let’s look at the major reasons why AC compressors fail in BMW, how you know they are failing, and where you should get them fixed.

Possible Reasons For BMW A/C Compressor Failure

  • Low Refrigerant Levels: The refrigerant in your BMW may run out with time due to minor leaks in the refrigerant circuits. When there is a low refrigerant charge, the compressor is strained to perform its function and wears out quickly.
  • Contaminated or Incorrect Refrigerant Type: When the refrigerant is contaminated by dust or moisture, it may degrade the inner parts of the compressor, leading to higher energy consumption and, finally, compressor failure. BMW air conditioning systems are fitted for certain refrigerant fluids. This means that getting the wrong type will only make the cooling process less efficient and probably place a lot of pressure on the compressor.
  • Electrical Problems: Electronic or electrical parts that are responsible for the operation of the compressor may develop a fault that hampers its operations. Frayed or degraded cables often impede the signal flow for the compressor circuit and bring it to a halt.
  • Clogged A/C System: An obstructed condenser hampers the movement of refrigerant, puts pressure on the compressor, and may easily break down. Dirt, metal shavings, or other interferences can easily find their way into the A/C system and cause a blockage of the refrigerant or damage to the compressor.
  • Compressor Clutch Failure: If the clutch does not engage, the refrigerant cannot circulate, and no cool air is produced. This problem is usually as a result of electrical faults or worn clutch components.

Signs Of BMW A/C Compressor Failure

  • Warm Air Blowing from the Vent: This is the most apparent symptom, where a car’s heating or cooling system is blowing air that is warm even with the AC on its highest setting. This happens because a defective compressor is unable to pump the refrigerant pressure needed in the system to cool the air.
  • Slow Cooling Performance: If your BMW’s cabin takes a much longer time as compared to the normal time to cool then it means that the compressor is perhaps not able to circulate the refrigerant. This progressive reduction in efficiency is sometimes the first warning signal that something is not quite right.
  • Refrigerant Leaks: Another problem that might occur due to the deteriorating compressor seals or gaskets is a leakage of refrigerant. If you find some stains or pools of liquid on the pavement in front of your vehicle, it may be refrigerant leaking from your A/C system.
  • Warning Lights: Current BMWs come fitted with sophisticated monitoring systems that can notify you of problems with the A/C system. If your car’s dashboard has a warning light or message indicating the air conditioning is an issue, then there is a problem.

Take Your BMW To The Best Mechanics In Texas

Every driver expects nothing but the BMW AC Compressor Repair best when it comes to BMW repairs, and that is why you need a team that understands luxury vehicles. At Fifth Gear Automotive, we understand how to diagnose and fix any problem with BMW AC compressor failures. Whether you live in Lewisville, Argyle, McKinney, or other nearby communities, you can always count on us to get your BMW’s comfort and cooling ability back on track. Call today to make an appointment, or visit any of our four workshops to ensure your BMW gets back to keeping you cool in the hot Texas summer!