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Top Signs That Your BMW Needs AC Repair

Nobody wants to ride around in their bimmer without a functioning air conditioning system. If you try to turn on your A/C in your BMW and no air flows out of your vents, or maybe only warm air spews out, there’s something very wrong with your HVAC system. Your A/C unit in your car is more complex than you may think. It comprises numerous parts, and consequently, the malfunction of any one component can ultimately bring the entire system down. 


What are some prevalent causes of A/C system failure? 

  • Refrigerant leak
  • Failing compressor
  • Aged refrigerant hoses
  • Mold or mildew buildup
  • Faulty cooling fan
  • Broken seal or hose

The best approach to ensure that your vehicle’s air conditioning will work for the rest of summer is to have your system examined by one of our expert technicians at Bay Diagnostics. Routine inspections of your HVAC system will allow our service team to catch issues early on before they worsen.


If you are unsure whether you are experiencing A/C troubles, here are some of the symptoms to look out for:

  • Hot or warm air blasting out of your vents when A/C is turned on
  • No air coming out of your vents
  • Below normal air pressure 
  • Foul smell or unusual sounds when A/C is turned on
  • A/C leaks

A malfunctioning A/C system can be very annoying as we are trying to get through the heat of August. You should not let the heat get the best of you. If you suspect an issue with your vehicle’s air conditioning system, feel free to give us a call at (718) 808-9955 or swing by Bay Diagnostics today!



Jordan Weine

Owner – Bay Diagnostic

Serving Brooklyn Since 1985


For over 35 years Bay Diagnostic has been a Brooklyn staple helping you get back on the road faster than the dealer can. A full-service automotive repair shop in Brooklyn that specializes in scheduled service, preventive maintenance, and concierge service. At Bay Diagnostic, you will come to expect what the automotive repair experience should be, fast, easy and reliable. A one-stop shop for your vehicle needs.


We proudly service Audi, BMW, Land Rover, Mercedes, Mini, Porsche, Smart Car, and Volkswagen vehicles.


Bay Diagnostic is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Bay Diagnostic (718) 615-0705 if you have any issues in accessing any area of our website.