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Do-It-Yourself H.Q.
Share your DIY projects or ask questions about how to fix something on your own. Help fellow Bimmerfest members improve your wrench turning skills! All BMW DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 01-30-2012, 05:27 PM
floritejoe floritejoe is offline
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Location: MA
 
Join Date: Jan 2012
Posts: 1
Mein Auto: 2002 e39
Changing DME

I have a 2002 525i, I have been told the DME is bad. I had the strangest problem, the car was running ROUGH and I had codes of miss fires and fuel cutoff in almost every cylinder, I brought it to the dealer and they diagnosed the problem as a bad oil separator. This caused vacuum to be off the charts...this also caused a insane amount of crankcase pressure which pushed oil into places it wasn't suppose to go. It even went as far and blowing oil by the cam position sensor and through the wire harness and into the DME... There was actually oil dripping out the end of the plug that goes into the DME!! I replace the sensor and complete oil separator system w/hoses. Dealer said to also replace the harness and DME but told me that the dealer could only perform this because it would need to be programed. They wanted about $1900 which is ridiculous.... I have been told to search ebay for the correct salvaged DME with key chips for 300-400 bucks and I can swap it myself. Is this true? If so, does anyone have any sources besides ebay? I can't find one yet. This car has never give me a problem and now I have this strange issue...any help would be appreciated!!

Thanks, Joe
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Old 07-18-2012, 03:29 PM
jamine16 jamine16 is offline
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Location: london
 
Join Date: Jun 2012
Posts: 6
Mein Auto: x5
The DME died on my E53 X5.
I bought a used DME, EWS module, ignition barrel and door lock with matching keys. They were all pulled from the same car.
It was a pretty straight forward plug and play job.

The second option is to buy a used DME unit and have it realigned to your EWS.
Im sure there is people on the forum that could help you out with that.

Cheers
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