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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E60 / E61 (2004 - 2010)

E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 07-24-2016, 05:18 PM
chamilun chamilun is offline
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Location: TN
 
Join Date: Jul 2009
Posts: 225
Mein Auto: 530i 06
AC Slow to Cool - Remedy

So its reported everywhere that E60 cars (and others) begin to take 10 or 15 minutes
for the AC to cool. Usually works OK if kept parked in shade or in garage/etc, but
if the car is left outside in heat the problem really manifests.

Theres a thread on an overseas forum where they discuss replacing the electronic control
valve with perfect results. This is despite the opinion on most threads here and elsewhere
where the reed valves or whatever wear slowly over time and eventually fail. Therefore
most simply replace the compressor.

Well, my new-to-me 2008 535xi had this problem, and also appeared to cool well sometimes
and not so well otherwise, to the point where it even would stop cooling almost completely.

So, this is almost as much as R&Ring the compressor, but I figured what the heck. Doing
a job a 2nd time is always faster anyways.

So shout out to polar bear and the EX004 control valve that they sell. Is about $75 shipped.

I did take some pictures, but basically you remove a bunch of things, evacuate the freon,
rotate the compressor, remove circlip over the valve, replace it, put it all back together,
and chart with 1.52 pounds of freon. To anyone removing the compressor, the lower bolt
is not fun to remove. Grab a ratcheting 13 mm wrench and you'll be all square.

the electronic control valves look mysteriously like the vanos solenoids that can fail
frequently on the earlier V8 engines...

I'll report back if the remedy doesnt work. So far, ice cold AC that cools quickly as it should
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  #2  
Old 07-24-2016, 06:08 PM
AlexatosJR AlexatosJR is offline
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Location: Houston, TX
 
Join Date: Apr 2015
Posts: 104
Mein Auto: 2007 BMW 550i
Thanks for the info man, i'll give this a try since the symptoms are identical.

I do agree that doing a job a 2nd time is always faster.

Quote:
Originally Posted by chamilun View Post
So its reported everywhere that E60 cars (and others) begin to take 10 or 15 minutes
for the AC to cool. Usually works OK if kept parked in shade or in garage/etc, but
if the car is left outside in heat the problem really manifests.

Theres a thread on an overseas forum where they discuss replacing the electronic control
valve with perfect results. This is despite the opinion on most threads here and elsewhere
where the reed valves or whatever wear slowly over time and eventually fail. Therefore
most simply replace the compressor.

Well, my new-to-me 2008 535xi had this problem, and also appeared to cool well sometimes
and not so well otherwise, to the point where it even would stop cooling almost completely.

So, this is almost as much as R&Ring the compressor, but I figured what the heck. Doing
a job a 2nd time is always faster anyways.

So shout out to polar bear and the EX004 control valve that they sell. Is about $75 shipped.

I did take some pictures, but basically you remove a bunch of things, evacuate the freon,
rotate the compressor, remove circlip over the valve, replace it, put it all back together,
and chart with 1.52 pounds of freon. To anyone removing the compressor, the lower bolt
is not fun to remove. Grab a ratcheting 13 mm wrench and you'll be all square.

the electronic control valves look mysteriously like the vanos solenoids that can fail
frequently on the earlier V8 engines...

I'll report back if the remedy doesnt work. So far, ice cold AC that cools quickly as it should
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  #3  
Old 07-24-2016, 08:13 PM
gaw111 gaw111 is offline
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Location: Marathon, FL
 
Join Date: Sep 2012
Posts: 19
Mein Auto: 04 BMW 545i
I have the same problem with my 04 545. I'm have a tough time finding this part. Can you give a little more info on the part? Thanks!
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  #4  
Old 07-25-2016, 09:02 AM
chamilun chamilun is offline
Officially Welcomed to the 'Fest
Location: TN
 
Join Date: Jul 2009
Posts: 225
Mein Auto: 530i 06
google polarbearinc and you should find them. You need to identify the model of your compressor first ie BMW 7SEU17C. for mine its the ex004

today air cooled quickly and is ridiculously cold
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  #5  
Old 07-25-2016, 09:03 AM
chamilun chamilun is offline
Officially Welcomed to the 'Fest
Location: TN
 
Join Date: Jul 2009
Posts: 225
Mein Auto: 530i 06
by the way for the 535 xi there is no need to remove cooling fan. simply remove the screw on the turbo air intake for some wiggle room and you'll be able to remove it.
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