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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 03-12-2012, 02:16 PM
borahatch borahatch is offline
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Mein Auto: 1998 BMW 540i
Requesting help from anyone in the Los Angeles area who can code a DME

So long story short, my old DME shorted out and failed. I sourced a new one, that matches my old one, and now I'm in need of a forum member who would be willing to come to my place and help me code my new DME to my car.

Obviously, since I have a burned DME, my car isn't able to move an inch until I can get the new DME up and running. I have a 1998 540i and it has the underhood round connection port near the ABS unit. I'd of course compensate whoever comes out for their gas and some extra money for their time. I'm in south LA. You can PM me for further details. I'm looking forward to getting my car up and running again asap. Thanks.
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Last edited by borahatch; 03-12-2012 at 02:21 PM.
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  #2  
Old 03-13-2012, 11:17 AM
borahatch borahatch is offline
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Ttt
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Old 03-13-2012, 11:39 AM
cn90 cn90 is offline
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http://www.yelp.com/biz/south-bay-independent-gardena-2
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Old 03-13-2012, 12:17 PM
borahatch borahatch is offline
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Thanks for the link. But I'd need someone to come to me since my car is immobile.
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Old 03-13-2012, 12:30 PM
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jayster0966 jayster0966 is offline
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You can try the guys at this link below. Looks like they are willing to come to you, better email them to find out details.

http://www.bmwcoding.com/showthread....-County-Coding
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  #6  
Old 03-13-2012, 12:35 PM
borahatch borahatch is offline
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Thanks, I'll check them out!
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Old 03-13-2012, 01:10 PM
cn90 cn90 is offline
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The people in the link above may come to you.
Explain to them the issue.
They can bring the tool over.
They know the BMW inside and out.
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Old 03-13-2012, 01:32 PM
borahatch borahatch is offline
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Thanks, I'll give them a call as well.

Quote:
Originally Posted by cn90 View Post
The people in the link above may come to you.
Explain to them the issue.
They can bring the tool over.
They know the BMW inside and out.
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  #9  
Old 03-13-2012, 09:52 PM
borahatch borahatch is offline
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After doing some research and talking with a few people, it looks like its not as simple as coding my new DME to my car. Because I have EWS3.3, I'd have to get an emulator to bypass the EWS/DME alignment issue. Only after that is done would I be able to code the DME to my chassis. Instead of emulators, and all that... I'm going to have my DME matched to my EWS and key by a company in Canada. That is by far the cheapest and most legit way to get my car back operational. Thanks for the help.
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Old 04-06-2012, 11:52 PM
borahatch borahatch is offline
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Just a little follow up for anyone who ends up in this situation: I sent my used DME, EWS, and one working key to a company in Canada (http://www.rmsonlinestore.com/) and they were able to align my EWS and used DME. My car now works perfectly with a transplanted DME. As a bonus, my car's cruise control finally works. For the year that I've owned my car, my CC has never worked properly.
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Old 08-10-2013, 12:25 AM
borahatch borahatch is offline
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Unbelievable. So tonight my 540 decided to burn another DME. I understand its rare for DMEs to go bad in this car (unless they get wet from the coolant) but my car has chewed through two of them. I have no clue why my first one went and I have no clue why this second went either.
Car has close to 230k miles. Really no point to this post, just venting.
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Old 08-10-2013, 05:31 AM
cn90 cn90 is offline
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Check alternator output (hint: voltage regulator).
Consider an alternator rebuild if necessary.
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  #13  
Old 08-10-2013, 07:42 AM
borahatch borahatch is offline
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That's what I suspected the first time around, but it turned out not to be the case. Of course, I'll consider any and everything now. Obvisously something somewhere is not right on my car. Two burned DMEs in about a year and a half isn't par for the course.

Quote:
Originally Posted by cn90 View Post
Check alternator output (hint: voltage regulator).
Consider an alternator rebuild if necessary.
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Old 08-12-2013, 01:17 PM
borahatch borahatch is offline
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Just a little update. My DME is fine. One of the 30 amp fuses in the 5 pack was blown. I'm not sure which number blew since they all spilled out when I popped the cover off. It would have been nice to know which one blew. I replaced the fuse and looked for any obvious signs of trouble. The car started and everything functioned as it should. I'll do further testing today and update as needed.
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Old 08-18-2013, 10:01 AM
borahatch borahatch is offline
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I figured out the problem. The electric side of my thermostat is bad. I was driving yesterday and the car started acting funny again. I pulled over, and checked my ebox fuses, and number one was burned. I quickly replaced it and tried to get home.

The car was still in limp mode, however. So once I got home, I replaced the fuse again and unplugged my therm. Sure enough, the plug was all black and smelled burnt. I left it unplugged and continued driving around. The car was 100% fine after that.

So it's time for a new thermostat. No worries, I'm planning a coolant system overhaul anyway.
I'll chase my therm wires and see if the wires have split at any point. That's been the cause of a few 540 engine fires I've read. Just a reminder to the 540 guys. Inspect the wires from your DME to all the way to your therm.
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