The tech called me half way to the dealer and said he was experiencing the same thing as me! 10 minutes in to the ride the car was not blowing out cold air. Keep in mind I’m not saying the car interior is hot and cold air is coming out and just taking a while to cool the cabin. I’m saying no cold air. For like 10-15 minutes. The most common causes for AC not cooling properly in BMW 4 Series are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. Less common causes are clogged expansion valve or orifice tube, overcharged oil, faulty blend door If it is, and then stops blowing during a long drive on a humid day, the evaporator is freezing over and blocking air from passing through the coils. The dealer can reprogram the a/c unit to prevent this from recurring. Meanwhile, if this is the problem and it freezes on you, shut off the a/c for 15 to let it thaw out. On the WDS (wiring diagrams), if you follow the same logical tree structure, you can get see the Aux water pump. You can do same with rear defroster .. Complete vehicle->body->Heating and air cond ->Air cond, temp control ->Temp control …. M54. Luckily, we can pinpoint a few issues that could lead to your system’s malfunction. Check out these five reasons why your AC is not blowing cold air and keep reading for one guaranteed way to fix them all. 1. Damaged Air Ducts. There’s a possibility that your air ducts are torn. When this happens, hot air from your attic has the opportunity With the engine running, turn on the air conditioner system on your car. Set the temperature to MIN and the blower fan to MAX. Make sure the A/C button is pressed or is switched ON. Pull the hood release under the dashboard. Secure the hood in the up position. Ensure the hood does not fall on you while charging your BMW 5-Series with refrigerant. 1. I get no hot air from the air blowers. 2. I still get chilled air. 3. I can vary the air flow, ie: fan still works. I've had a look about the forum and people seem to be mentioning the FSU ( final stage unit ), although this seems to be more appropriate when the A/C has a mind of its own. My only issue is that I get no hot air from the blower. 1. Electrically disconnect the heater valve (you might need to pull the cross brace and driver's side engine air intake to get there). Then I took it for a drive, AC on, set to vents and floor, both sides at 60 deg. Result, both footwells got extremely hot air. This means the valve defaults to the open position. Vay Tiền Cấp Tốc Online Cmnd.

bmw e60 ac not blowing cold air