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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 07-10-2015, 06:31 PM
Tristan.Rios98 Tristan.Rios98 is offline
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Mein Auto: 1998 Red 540i
1998 540i A/C system question

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ID:	518851I tried recharging my a/c system because my a/c does not cool at all and I realized I had a huge leak from the pipe that sits directly on top of the dryer. See attached pics. I tried recharging and r134a spewed from the hole. Red outline is the broken pipe, blue outline is the dryer. Does anybody have a part number and name for the broken pipe? I'm aware my dryer needs to be replaced and any moisture removed from the a/c system.
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  #2  
Old 07-10-2015, 07:57 PM
edjack edjack is offline
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Remember, recharge by weight.
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  #3  
Old 07-10-2015, 08:12 PM
Tristan.Rios98 Tristan.Rios98 is offline
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Diagram found on there does not help.
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  #4  
Old 07-10-2015, 11:27 PM
ca2014mp2 ca2014mp2 is online now
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alright Miami, you were right but that sucks b/c that means you have to dig for that part.. I poked around on ebay and some other bmw parts suppliers and they didn't have them either.. which kinda scares me b/c my car is only 2 year newer than yours... uggg.. keep looking and maybe hit up some junk yards... good luck...
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Series E39 Vehicle code DP63 Model 528ITA Engine M52TU
Body type OTHER Catalog model USA Production date 1999 / 06
Transmission Automatic Steering Left Catalyzer YES

Production FROM : 1998/09/01 TO : 1999/08/31

Last edited by ca2014mp2; 07-10-2015 at 11:36 PM.
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  #5  
Old 07-11-2015, 02:21 PM
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johnstern johnstern is offline
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OP - From the small part of the line shown in post#1, I'd say this is the dryer to evaporator high pressure hose which is position #3 in the below referenced diagram.

http://www.realoem.com/bmw/enUS/show...diagId=64_0786

If you are replacing the line, don't get it at the salvage yard. Buy it new at the dealer and make sure it comes with all the o-rings. You are asking for more AC problems getting a used hose-that's what you already have.
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Last edited by johnstern; 07-11-2015 at 02:22 PM.
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  #6  
Old 07-12-2015, 12:41 AM
Tristan.Rios98 Tristan.Rios98 is offline
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The thing is that I have all the hoses and they don't have leaks. The problem is that the hi-side port has been snapped off, which is where the leak was. I bought the car like that. When looking for that part with the hi-side filler port, I can never find it. Compare my previous pic to the one I have attached here. mine is like the picture all the way to the right. Basically I'm just missing the stem.
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Last edited by Tristan.Rios98; 07-12-2015 at 01:01 AM.
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  #7  
Old 07-12-2015, 08:03 AM
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johnstern johnstern is offline
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I totally understand. My low side line developed a leak at the base of the filler tube. There's really no way to fix it to make it reliable. Maybe a really good, well equipped AC shop could have done it but I bought the line from BMW and found it completely redesigned in the area where the leak was.

So maybe you could find someone to fix your high side line but I'd bite the bullet and buy a new line from BMW.
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Old 08-18-2015, 11:04 AM
B-tsai B-tsai is offline
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Hey Tristian OP!

I have a similar problem.. my stem is leaking and I can't seem to find the part number.

How did you end up fixing it?
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  #9  
Old 08-18-2015, 05:50 PM
Tristan.Rios98 Tristan.Rios98 is offline
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Mein Auto: 1998 Red 540i
Quote:
Originally Posted by B-tsai View Post
Hey Tristian OP!

I have a similar problem.. my stem is leaking and I can't seem to find the part number.

How did you end up fixing it?

I haven't fixed it yet. Hoping to go to a junkyard and grab it off another e39
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