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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 05-28-2015, 02:37 PM
Schultz_320i Schultz_320i is offline
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Location: Vernon British Columbia
 
Join Date: Aug 2013
Posts: 9
Mein Auto: 1994 BMW 320i
Weird idle on 1997 528i

hi, my car just randomly started doing this odd idle. It is incredibly hot out which may have caused the issue. When I'll be sitting at a light it will be running fine and then all of a sudden almost stall out whether it's in neutral or first with the clutch in. After it drops and almost stops it goes back to normal and then will randomly do it again. I have no issues whilst I'm driving.

Thanks in advance!
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  #2  
Old 05-28-2015, 05:30 PM
ca2014mp2 ca2014mp2 is online now
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Location: San Jose
 
Join Date: Jul 2014
Posts: 721
Mein Auto: E39 528ITA
That can be many things.. you should look at your IAC. But you should be thinking how old your basic filters are ie fuel and air. and how old your tune up is. If you would like a more detailed answer you will need a scanner and post what your fuel trims are and graph response as you move from low to high rpm. And the best information can be gleaned from this site using the search bar. Hope this help..
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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
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Old 05-28-2015, 08:20 PM
Schultz_320i Schultz_320i is offline
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Location: Vernon British Columbia
 
Join Date: Aug 2013
Posts: 9
Mein Auto: 1994 BMW 320i
Im pretty new to working on beamers. I'll try and get a computer check soon
It also sounds like there is air leaking if that helps at all
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Old 05-28-2015, 10:06 PM
ca2014mp2 ca2014mp2 is online now
Officially Welcomed to the 'Fest
Location: San Jose
 
Join Date: Jul 2014
Posts: 721
Mein Auto: E39 528ITA
If you have a smart phone you can get all the info you need on that phone and your phone can be that computer that you are looking for.. I have an android and use an app called torque, if you have apple they have many apps out there and ChEAP like 5-10 us dollars. After that I have a elm327 bluetooth device this allows me to wirelessly connect to my car to my phone... another 5 bucks. so for 20 dollars you can get a setup that will read codes and from there this board has a ton of information that will help you solve the most complex questions and the easy ones too... So you say you hear air leaking.. that very well may be. these cars have issues with air leaks. This setup that I talked about above will prove that so you don't toss money at a bunch of parts that you don't need.
if you are really interested in learning more watch this video and you'll have a great idea of what i'm talking about. He gives great information to beginners and enthusiast that like to work on there cars..

__________________
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; 05-28-2015 at 10:10 PM.
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