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Old 08-26-2015, 08:40 PM
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Join Date: Aug 2015
Location: Sweden
Car: BMW 523i
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Default Bmw e39 523i DME-EWS Sync every week problem

Hi there! I'm from Sweden and I have a tricky question for u guys! (sorry for bad English)

I have a problem with my car, will try to make my story here short.

I have had some problems with my BMW for a while and lost my hope.

Once every week my car wont start, The car cranks but it wont start.

I have I got myself a program called INPA and BMW Scanner and tried to read the vehicle's fault codes with them and come to the following:

80 [128] DME-EWS Interface

D1 [209] Anti-tempering protection EWS

When I make a synchronization between the DME-EWS, The car works another week.

I left my car here in Sweden at the BMW workshop and they say that is probably the DME that must be replaced and that it costs about 30: 000 and they can not guarantee that it is error.

That said, I've Googled as a guru and come to any conclusions:

1: Could it be the crankshaft sensor (I have changed the Camshaftsensor) that haunts? But then maybye the car wont start when I make synchronization?

2: Can there be the sync between the keys / ring to the EWS? But then the programs should find error codes that indicate that the keys are not sync?

3: Install new software? I have read on a forum ( [Only for registered users... ]) ) that there is a hardware failure and its needed to reprogram the car's DME.

Or can i buy an old DME and with some help from u guys (i will pay money) flash it to a "new" DME and sync it with the EWS?

Please help me before my hair turns grey :)

Last edited by bubbenboy_90; 08-28-2015 at 05:15 PM.

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Old 09-04-2015, 07:46 AM
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Join Date: May 2015
Location: Malaysia
Car: BMW E39 523i 1997
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Inpa & BMW scanner will not work for the syncing of EWS-DME.

You must only use GT1 to do the syncing. It works all the time!!

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