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#41
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https://www.youtube.com/watch?v=Pdq8JAlct6s
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
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#42
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Some of these cars have high and low refrigerant pressure cutoff switches. Sounds like the car may have a low pressure problem but after a while (engine heat?) the pressure builds up high enough to untrip the low pressure switch?
Get the pressures, take it to an auto AC specialist, or take it to the BMW dealer to diagnose. You've had the problem for a month now - my wife would have divorced me for cruel and unusual punishment! |
#43
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Day 3 after adding more refrigerant. Still kicking in right away (about 30 seconds after cold start) and running like a champ. Very cold, no more intermittent working or not. Pressure still reading at 37psi on the low side. I hope my research and trial on my e53 with he same problem helps OP.
TLDR: If your AC is working intermittently and kicks on after you hit higher (4k rpm) you likely have low pressure and need to add some refrigerant.
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2006 X5 3.0i 2000 323i R.I.P. |
#44
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I think having the system drained, vacuumed (to test for leaks), and then recharged would have been my first course of action. They would have given you all the information you needed regarding low and high side pressures, leaking, etc. Cost here to have that done is ~$90.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#45
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Quote:
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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 |
#46
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So I ended up having the compressor replaced at the AC shop. Cost right at $1500 and it seems to be working ok now. When I put the thermometer in the vent it cools about 30 degrees lower than the outside temp which I think is pretty normal. Want to thank everyone for taking time to help me with the diagnosis and steering me in the right direction.
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#47
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^Good to hear. Pricey, but at least it's sorted.
Did the shop say if the compressor was not doing it's job or if it was leaking somewhere?
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#48
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Quote:
I assume your original aux. fan was fine and the diagnosis of a bad fan in your first post was incorrect...?
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#49
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The compressor was just not performing but no leakage. I'm pretty sure the original aux fan was bad or at least that's what I'm telling myself LOL
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#50
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Easy to test - you don't have to fit it, just connect the electrical connection. BUT make sure you secure it on top of the engine bay or wherever it's sitting - these things have some torque when they start and it could fly around and take off a finger - or worse!
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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