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Old 08-22-2022, 04:11 PM
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A/C Very Slow to Start Cooling

I have a 2006 3.0 with ~140K miles. The A/C works and gets freezing cold, but takes several minutes to start cooling. Whenever I first start the X, the A/C will blow warm air for several minutes, then all of a sudden start blowing cold.

The odd thing is that I also have a 2011 328i and a 2011 MINI Cooper S doing the same thing. But of the three, the X seems to the worst.

The refrigerant seems to be fully charged, but I'm not an A/C expert, so I'm hoping to get some ideas for troubleshooting.
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2002 X5 4.6is - Imola Red/Black (Sold)
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1998 M3/4/5 - Technoviolet/Dove (Sold)
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  #2  
Old 08-22-2022, 06:16 PM
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The auxiliary fan is not kick on when the A/C button is pressed. Common issue with X5s. Mine does the same thing. Due to condensation steaming out the center vents and a good explanation from srmmmm, I suspect mine may be low on R134.
How old is the clutch fan? When the engine is at full temp or almost there, the clutch fan engaged will help. The auxiliary fan will start up if the engine is hot.
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Old 08-22-2022, 06:22 PM
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I'll double check the aux fan, but I'm pretty sure it's working. I know for sure it's working in the 328i - I checked. I thought I also checked the X, but now I'm not so sure.
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2002 X5 4.6is - Imola Red/Black (Sold)
2001 740i M Sport - Anthrazit Metallic/Black (Sold)
1998 M3/4/5 - Technoviolet/Dove (Sold)
2003 Z4 3.0i Sport - Sterlinggrau Metallic/Black (Sold)
2009 Mini JCW (The Wife's)
2015 i3 REx - Arravani Gray/Tera World (Daily Driver)
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