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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #26  
Old 05-25-2013, 06:04 PM
zkost zkost is offline
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Mein Auto: 2004 E60 525i
How hard is it to replace the expansion valve? Do I need to take the dash apart or can I get to it from the engine compartment?
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'04 525i (E60) 150K miles and just getting started
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  #27  
Old 05-25-2013, 06:09 PM
schpenxel schpenxel is offline
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Not that bad. Have to evacuate AC system first obviously.

Can (and has to as far as I know) be done from engine compartment. Basically pull the AC lines off of the evaporator and remove expansion valve. It's just a couple of bolts to get it off after you have the AC lines off best I can tell. I looked it up in ISTA/D for someone a few days ago and it seemed straight forward.




Last edited by schpenxel; 05-25-2013 at 06:12 PM.
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  #28  
Old 05-26-2013, 08:48 AM
l1tech l1tech is offline
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You have to remove the fresh air intake ducting first but it's not that hard
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  #29  
Old 06-13-2013, 07:23 PM
jallan3 jallan3 is offline
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Just curious, any update/ find anything?
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  #30  
Old 06-13-2013, 10:50 PM
pureappearance pureappearance is offline
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mine does the same thing , just recharged ac no change ! what did you find out ? thanks also noticed if temp is around 80 outside works ok but here vegas once over 100 and blows warm for at least 10 min before getting cold ! great thread also azdave has thread on same subject under a/c delay might what to look at.

Last edited by pureappearance; 06-13-2013 at 11:12 PM.
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  #31  
Old 06-18-2013, 10:32 AM
pureappearance pureappearance is offline
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hows it going ? did you ever change the valve and did it help ? my driver side blow warm air for 5 min longer than passager and than works fine , but Monday it was around 105 here blew warm longer . even after car was driving for awhile I parked car for a hour got back in hot as hell again
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  #32  
Old 08-22-2013, 12:54 PM
zkost zkost is offline
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Location: Jacksonville, FL
 
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Mein Auto: 2004 E60 525i
It's been a while but I finally gotten around to replacing the compressor. Short version - No change. By the way. I had a hell of a time within getting a new compressor at what I was willing to pay.... meaning Discount Auto Parts ($329 refurb), PepBoys(450+ Refurb and 810 new), O'Reilly's ($480 new wait they made a mistake $800+ didn't have a refurb), Autozone... didn't have it. and the best of all BMW Dealer ($1300) Nice huh.

Guys make note of this... I picked up a brand new AC Compressor from Blueline America Autoparts (bla-autoparts on ebay) for $279. Excellent service. Overnighted the unit to me for an additional $73 bucks and still a savings. Easy to communicate with and great follow through. I don't normally promote auto parts stores but I'm going back to blueline for what ever I need if he has it.

The compressor was as promised. Perfect fit. BE WARNED!!!! The '04 model requires the 7SEU17C model of compressor. There is another the 15C will fit perfectly but has the wrong electronic harness.

So the new compressor is in but I'm still getting warm air. I have a blockage - next item to be replaced is the expansion valve.... Ordering one today.... Will keep you informed.
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'04 525i (E60) 150K miles and just getting started
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  #33  
Old 08-27-2013, 04:14 PM
zkost zkost is offline
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Update to update. So today I replaced the evaporator valve. Still blowing warm air. However when I jumped the (newly installed) compressor from the battery bypassing the electronics the cold air started to blow nicely. Very nicely. So it comes down to either the AC Pressure Switch or heater regulator. Hopefully it's the pressure switch - I have no desire to remove the heater core. Anyone have any experience with either the pressure switch or the heater regulator on our beloved 525i?
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  #34  
Old 08-27-2013, 06:28 PM
schpenxel schpenxel is offline
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Ever get INPA or something to try to get some real data on what is going on?
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  #35  
Old 08-27-2013, 09:39 PM
zkost zkost is offline
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I do have INPA but the car is not complaining about anything. No error codes and there are other problems. I just ordered the AC high pressure switch on e-bay. Should be in in a few days. If that doesn't fix it I will be ordering a new heater core resister/relay. I learned from BMW today that it's either the AC pressure switch or the heater resister. We shall see.
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  #36  
Old 08-28-2013, 09:46 AM
schpenxel schpenxel is offline
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Gotcha--I've never looked around in INPA for AC system stuff long enough to see if it can give any useable info. Hopefully that takes care of it for you
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  #37  
Old 09-03-2013, 05:40 PM
zkost zkost is offline
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Alright folks! Today I replaced high-pressure relay switch and still it blows warm. When I jump the compressor directly to the battery everything kicks in and cold air is blowing well. So the issue can't be the refrigerant system. It has to be electronic. I checked the fuses and all are good. I'm about to give up..... The INPA doesn't report a problem so what else can it be? Any diehard BMW 5 series techs know any secrets us laymen are oblivious too?

Thanks in advance...
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  #38  
Old 09-03-2013, 06:46 PM
schpenxel schpenxel is offline
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bmwoem1 is your only hope!
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  #39  
Old 09-04-2013, 04:23 AM
bmwoem1 bmwoem1 is offline
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My AC "Blows!!!" warm air :(

Hey, I got your PM.... I hope I can help. I've never used INPA, so I'm assuming it will give you similar info as the BMW dealer diagnostic software..... Can you check the reading of the AC pressure sensor in the IHKA (climate control module/ electronics)? Also, check either in the DME or the IHKA for "a/c clutch release". What does your outside temp say (on the cluster)? This will tell you if the A/C clutch is being kept off on purpose for some outside reason.


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  #40  
Old 09-04-2013, 07:40 AM
zkost zkost is offline
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bmroem1,

Thanks for getting back to me so quickly. I think I am about to send probably way too much in information....

Please keep in mind that I have replaced the compressor, evaporator valve and pressure sensor all within the past 400 miles which explains some if not all of the error messages. They all popped up around 232000-232168 km. The call currently has 232669 km or (144574 miles)

I got 6 errors in my AC Control System but they are in German. I hope you can make sense of these... They are attached as screen images.

I've also attached current AC control values and such. It's important to not that I activated the compressor from within INPA by setting it's value to 100 and WA LA! AC Blew cold air. I performed this test 3 times and each time the ac started blowing cold air.

Here are the rest of the images I think you might find valuable in assessing the problem.

I hope this helps you help me and anyone else having similar problems....

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'04 525i (E60) 150K miles and just getting started
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  #41  
Old 09-04-2013, 07:48 AM
zkost zkost is offline
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Location: Jacksonville, FL
 
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Mein Auto: 2004 E60 525i
One thing I just realized... Last fall I replaced my battery at a local autozone. I read some place that the care has to have the batter registered to it. I didn't bother checking if the AC worked in the fall... Does anyone have experience with a new battery causing AC problems? The car runs great otherwise....
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  #42  
Old 09-04-2013, 09:34 AM
schpenxel schpenxel is offline
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If only I spoke German. I tried to translate a few of those but it didn't give a very clear translation

Isn't there a way to switch INPA over to English (or at least broken English..) I know the errors on mine all show up in English
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  #43  
Old 09-04-2013, 09:34 AM
schpenxel schpenxel is offline
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Quote:
Originally Posted by zkost View Post
One thing I just realized... Last fall I replaced my battery at a local autozone. I read some place that the care has to have the batter registered to it. I didn't bother checking if the AC worked in the fall... Does anyone have experience with a new battery causing AC problems? The car runs great otherwise....
Highly doubt it. For sure battery issues can cause all kinds of havoc on these cars, but I don't see it only affecting the AC system in some weird way
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  #44  
Old 09-04-2013, 09:52 AM
bmwoem1 bmwoem1 is offline
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My AC "Blows!!!" warm air :(

If you can register the battery with INPA, do so.... I'll look over those screens shots when I get a chance


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  #45  
Old 09-04-2013, 09:55 AM
zkost zkost is offline
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Re: My AC "Blows!!!" warm air :(

If there is a way to tell it to speak English to me I don't know it. Probably a software switch someplace. Ive tried to find it but got more frustrated then with the ac problem. I found the Google translator to work very well. I was hoping the codes themselves would be of use

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  #46  
Old 09-04-2013, 11:34 AM
zkost zkost is offline
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I tried to register the batter from INPA but I don't have the option. The closest thing is a Model->Body->Micro Power Module which has no option for registering the batter. I found an example on line but it refers to 7 series http://www.bimmerfest.com/forums/sho...d.php?t=644567 instructions. I don't have the Power Module option and walking through all the different settings I didn't find a batter registration option.
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  #47  
Old 09-04-2013, 01:43 PM
schpenxel schpenxel is offline
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Quote:
Originally Posted by zkost View Post
If there is a way to tell it to speak English to me I don't know it. Probably a software switch someplace. Ive tried to find it but got more frustrated then with the ac problem. I found the Google translator to work very well. I was hoping the codes themselves would be of use

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I think it's just one file you have to update--I'll look around tonight and try to see. I remember mine being in German at first one time and I replaced some .ini file with one I found online to switch it over to English
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  #48  
Old 09-04-2013, 02:59 PM
zkost zkost is offline
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Re: My AC "Blows!!!" warm air :(

You are a God if you remember where that file is and will share it with me!!!

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  #49  
Old 08-18-2014, 12:30 PM
stingray-miami stingray-miami is offline
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Mein Auto: 530i
My AC "Blows"

zkost,
Did you ever find the actual point of failure? I have an '04 530i with 170k and still going strong. However, I'm having similar problems to yours last year - AC blows warm air in city driving, cool air in highway. I'm thinking expansion valve - what was your experience? Any feedback is appreciated.
stingray-miami
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  #50  
Old 09-10-2014, 08:19 AM
mnmwalters mnmwalters is offline
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Mein Auto: 2003 330xi
2003 330xi AC Blows Warm and Cold Air

Been searching the forums and I have a simlar intermittent issue with my wife's car. Cooling system has been drained/refilled twice by my mechanic. He thought perhaps it could be something with the blending box, but when he opened it up, they of course worked perfectly and the AC was blowing cold.

We got it back and as usual, it worked good for a few days. Now it is blowing cold air our the middle vents, hot air out the bottom. As I turn on/off the buttons controlling the floor, mid level, and defrost, the hot air moves around. It is almost like there is hot air is coming from somewhere and trying to find someplace to go.

If we set the AC on AUTO, then we usually get warm air out the center, mid-level vent and cold air out the side, mid-level vents. (When it is acting up of course, otherwise it blows great cold air.)

My wife pointed out that over the winter she noticed that the heater seemed to work almost too well. She would have to keep the temp at 59 degrees (she doesn't like warm air) or it would get very warm.

The Blue/Red lever on the middle vent is rotated all the way to blue(cold).

Ideas?
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