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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 12-20-2011, 04:45 PM
74Hustler 74Hustler is offline
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Idle Control Valve (ICV) location??

I have searched till my eyes cant read any more and I have come up emtpy as far finding anny DIY for this. Where is the ICV located and hard is it to clean it or change it?
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  #2  
Old 12-20-2011, 05:28 PM
pleiades pleiades is offline
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It's probably slightly to the rear and above the throttle body, hiding under the intake manifold and/or DISA valve.
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  #3  
Old 12-20-2011, 05:29 PM
Steve530 Steve530 is offline
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I think the intake manifold assembly changed in late 1998. Do you know when your car was manufactured?
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  #4  
Old 12-20-2011, 05:31 PM
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moots moots is offline
wat's dat noise
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not sure 'bout the '98 model but on mine it's under the inlet manifold towards the rear(near bulkhead).
i removed the cabin filter housing for a much better access.
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  #5  
Old 12-20-2011, 08:15 PM
E39 touring E39 touring is offline
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ISV location

You should have started the post by asking" where is the worst place they could mount the ICV", its under the inlet manifold towards the firewall as stated already.
I've just replaced CVV and hoses without manifold removal,to do this you remove a lot of parts to get there,you may get to it but removing the hoses could be an issue,others may have done it with manifold in place
Do you have an idle problem?
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  #6  
Old 12-20-2011, 08:33 PM
Steve530 Steve530 is offline
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If I read the realoem diagrams correctly, the 528i manufactured up to 9/98 had the ICV toward the front of the manifold attached to a hose from the intake boot just ahead of the secondary throttle body. After 9/98, the ICV is toward the back of the intake manifold.
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  #7  
Old 12-20-2011, 09:05 PM
74Hustler 74Hustler is offline
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Thanks for the help, I was afraid it was under there. The problem I'm having is rough idle at start and a sound coming from under the intake area thats sounds like a damn squirrel fan. I just had the head gasket replaced and at the same time did the CCV and VANOS. I had to replace the VANOS solinoid on it also. Did that yesterday and cleared the CEL, the car ran great till I got to my first stop about 30 miles later. When I restarted the car I got CEL again and a crappy performiing car. the squirrel cage sound I noticed yesterday before I replaced the VANOs solinoid. My mechanic thinks the sound is the ICV
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  #8  
Old 12-21-2011, 10:40 AM
74Hustler 74Hustler is offline
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BTW I only get the sound when the car is at idle
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  #9  
Old 12-21-2011, 12:07 PM
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doru doru is offline
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Maybe DISA valve (sound)?
The ICV is pretty much underneath.
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  #10  
Old 12-21-2011, 05:29 PM
jigga1 jigga1 is offline
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I had dat same problem. Check the hose thats connected to icv they tend to tear easy. Which cause an air leak, If its the hose pelican has it for cheap.

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  #11  
Old 12-22-2011, 12:40 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by 74Hustler View Post
I have searched till my eyes cant read any more and I have come up emtpy as far finding anny DIY for this. Where is the ICV located and hard is it to clean it or change it?
Dunno if you already found these, but, a quick /ICV in the bestlinks nets this, among others:
- How to clean the idle control valve ICV in the E39 V8 (1) & I6 (1) (2) (3) (4) (5)

In addition, this thread (also in the bestlinks so you probably already found it since it's the first link in the forum) purports to show where all the parts are in the engine bay:
- Getting to know your E39 engine, a photo & identification guide to every visible part in the engine bay (1)





So that we may improve these threads ... do they show the correct location (for you?) of your ICV?

If not, please post a picture to that thread with your improvements (so the next person has an easier time of it than you did).

Last edited by bluebee; 12-22-2011 at 12:46 AM.
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  #12  
Old 08-01-2013, 06:22 PM
Cmarino72 Cmarino72 is offline
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1998 (up to 09/1998) 528i ICV is located under the throttle body, Under the intake manifold, next to the CCV[IMG][/IMG][IMG][/IMG][IMG][/IMG]

Last edited by Cmarino72; 08-01-2013 at 08:55 PM. Reason: update photos
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