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Message: <blockquote data-quote="bmwbimmer" data-source="post: 35465" data-attributes="member: 41877"><p>Hi I have a problem with my car its the same as this post that i copied"When started, and at idle, the a/c blows out air that is not chilled, even though my a/c settings for both sides are at 18 degrees. After driving it around for 5 mins or so, or getting up to highway speeds, cold air comes out and everything operates as usual. Everything functions as it should after those first few minutes, and the a/c will gladly pump out very cold air at the coldest settings.I read in some posting that Actually, according to experts there is a valve in the compressor which controls the pressure of the gas being pumped in the system. As time goes by, there is a deterioration of this valve and the compressor is not able to pump the gas efficiently around the system quickly.Normally, it should take about less than a minute before you feel cold air. Another symptom is during traffic jams or stationary periods; the air will start becoming warm as there is not enough pressure to push the gas around the system."I wanted to replace the control valve but every shop told me if u do it may work for few days and that its the compressor.My is 530i 2005 Any help is appreciated.</p></blockquote><p></p>