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#1
12-04-2017, 08:49 PM
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2005 X5 e53 4.4i facelift air con problem
My air cool air stopped working the other week. Took it to a local mechanic and he re-gased it but found the clutch wasn’t engaging. Suggested a new compressor but he was able to gas it ok. Have been reading a ton of material on fourums and many mention the aux fan between the radiator and the bumper. I don’t have one there. The only fan I have is between the radiator and the engine. I can see three wires coming from it (two heavy and one light) which tells me that perhaps this is it? But, I thought the engine needed a fan for cooling. Anyway, the forums say that when I start the engine and turn on the air-con by pressing the snow flake button that this fan should start up for a short while. Mine doesn’t start at all. Is it supposed to on my model? Any help would be appreciated. regards 
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#3
12-04-2017, 10:38 PM
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You have the 4.4 V8 engine X5 and some V8 X5 didn't have the aux fan. Also unless the mechanic has an ac machine that can force refrigerant into the system via the high side port, the most common method of "regassing" the system is through the low side port and for that, the compressor has to be engaged.
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
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#4
12-05-2017, 12:20 AM
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Thank you! Come to think of it I didn’t get charged for any gas just labor. I think I will take it to BMW for a level 1 diagnostic. Although, I was curious if I could use the same technique of viewing the fan to see if it came on when engaging the a/c with this model. Should it come on I wonder.
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#5
12-05-2017, 05:30 PM
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bmw x5 2005 facelift air con
I also read that if you disconnected the fan that the air con sometimes work if the clutch is still ok. But how do you do that on my model as I only have the one fan for cooling the engine? Perhaps just run the engine a little bit without it?
regards
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#6
12-06-2017, 12:54 AM
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fan not working
Hi guys, can anyone confirm this for me. I only have one aux fan on my car that is between the engine and radiator. I have learnt that this should turn on when the ac is engaged. Is this true? On mine it is not turning on. It does turn on when i get back from a drive and the engine is up to temp.
regards
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