Less common causes are dirty or sluggish blower motor and faulty mode door actuator. 1. Clogged cabin air filter. Dirty AC filter is the leading cause of weak AC airflow in BMW X5. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in the cabin. 2007 bmw X3:: ac not blowing cold air all of sudden ..recharged it still no cold air from ac. Compressor is coming - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. When your car’s AC is blowing hot air, it likely means both you and your car need a bit of a refresher. One of the most common reasons your car AC is blowing hot air is because of a refrigerant issue—specifically, a loss of refrigerant. This loss of refrigerant can occur either due to a leak or because your car’s refrigerant levels are Insufficient amount of refrigerant in the AC system is one of the leading causes of AC not blowing cold air in X5. This can happen due to a leak or if the AC has not been recharged for a long time. Refrigerant leak. A low refrigerant level in your X5 does not necessarily mean there is a leak. Join Date: Jan 2013. Location: Laredo, Tx. iTrader: ( 0) My wife's X5 AC just quit working suddenly and I'm getting these 2 codes from BMW Carly app 80436E Compressor clutch open circuit or short circuit to positive and code 804370 compressor valve open circuit or short circuit to positive, as long as I know the F15 don't have any relays, so Once the system contains the correct charge weight, start the vehicle, and wait for the compressor to start. Record the ambient temperature, and the high & low side pressures with the compressor running at idle. Then set the cabin fan to the highest speed, open the doors & run the engine @ 2000 rpm for 3 minutes. 2005 Chevy Trailblazer Ac Not Blowing Cold Air . If you’re driving a 2005 Chevy Trailblazer and your air conditioner isn’t blowing cold air, there are a few potential causes. First, check to see if the A/C compressor is engaged. If it’s not, the problem could be with the A/C clutch or fuse. Next, check the refrigerant level. 1. I have had the system vacuumed and refilled. result: a hint of cold for a few minutes but then just ambient 80 degree air. 2. ODBII - no faults. 3. Compressor clutch engages and condenser fan works. 4. Low pressure line was high on 1st canned R134a gauge check. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. I HAVE A BMW X5 2003 AC IS NOT BLOWING COOL AIR. ALL THE FUSES ARE WORKING - Answered by a verified BMW Mechanic. Having trawled the forums and tried everything I could find, this was the solution for me: Remove fuse no. 9 from behind the glove box. (if you open the glove box there is a panel at the back that unclips, exposing the fuses. Fuse number 9 is the ninth fuse from the top left. rPVgM84.