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E34 (1989 - 1995)

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  #1  
Old 07-06-2013, 06:55 AM
Sirma Sirma is offline
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Bmw e34 obd

Hi guys,

I have an 1991 525i M50B25 BMW, and recently I came across the OBD tools and scanners.

I have the old 20-pin socket, and I was wondering, if I will buy and OBD2 adapter and an OBD2 scanner, will I get any information? Will it be accurate? Or should I just find a plain OBD scanner instead of OBD2?

Cheers!
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  #2  
Old 07-14-2013, 11:11 AM
paperplane94 paperplane94 is offline
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Mein Auto: 1989 525i M20B25
If you are just trying to obtain the codes do a stomp test.

If you want to use the diag. port then you will need something specifically for our cars.
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  #3  
Old 07-15-2013, 11:44 PM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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Stomp test omly works on USDM cars, does not exist in euro cars, the OP is from Australia.

That diagnositic plug is commonly called the pacman plug because it has a pacman shape in the middle. You can buy BMW specific readers.

No E34 was produced with OBD2 as E34 ended in 1995, and it was 1996 that the international treaty or whatever it was took force. It ensured all cars had OBD2 electronics and more importantly the OBD2 diagnostic plug, instead of each manufacturer having thier own system which they did progressively in the 80s and early 90s
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  #4  
Old 07-16-2013, 08:58 AM
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E34ZombieHunter E34ZombieHunter is offline
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Friend told me it would work, it does not, spent the money on the adapter and scanner for nothing, will just be getting carsoft when i can
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  #5  
Old 07-17-2013, 02:25 AM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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Quote:
Originally Posted by 95-540sport View Post
Friend told me it would work, it does not, spent the money on the adapter and scanner for nothing, will just be getting carsoft when i can
Yep we see that 'friend told me' stuff a lot. But your part of this community now so just ask here! I dont know everything about E34, but there are people here that do, we have a good team
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  #6  
Old 06-29-2016, 05:20 AM
EX27 EX27 is offline
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Mein Auto: 1992 BMW E34 520i M50
pacman to OBD2

I just want to know if it's possible to read speed, temp and rpm from this combination, with that adapter from pacman to obd2 port ?
I have software that can read just those things, I don't need error codes or diagnostics, just real time data.
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  #7  
Old 06-29-2016, 11:19 AM
Sirma Sirma is offline
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Mein Auto: 525i
e34 OBD

In December 2013 someone made a software that could read and modify parameters through obd2+adapter for bmw e34. I sold mine just before that so I don't know if it worked or not. Anyway, if you want a programmable chip for the e34 go for Miller, I know they do them. Good luck
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  #8  
Old 06-29-2016, 12:45 PM
EX27 EX27 is offline
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Mein Auto: 1992 BMW E34 520i M50
Quote:
Originally Posted by Sirma View Post
In December 2013 someone made a software that could read and modify parameters through obd2+adapter for bmw e34. I sold mine just before that so I don't know if it worked or not. Anyway, if you want a programmable chip for the e34 go for Miller, I know they do them. Good luck
Aha, ok.
I only need to display parameters for now, that would be enough for me.
I'm just not sure if that adapter is going to do it's job.
Thanks for the info.
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  #9  
Old 06-29-2016, 01:26 PM
hans747 hans747 is offline
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For what it's worth, my e34 built in 9/92 came with a Peake diagnostic tool in the glove box. It did not work on my car. I guess his friend told him something that he heard from a mechnic one day...

Stomp test is the way to get codes.
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  #10  
Old 06-29-2016, 01:28 PM
hans747 hans747 is offline
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Also, I have one of those adapters that connect the data port to OBD for my 2000 e39 wagon. It does not work on my e34's data port.
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  #11  
Old 06-29-2016, 02:18 PM
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TheEinstein TheEinstein is online now
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A Carsoft setup is the simplest way to get realtime data. Data seems to be limited in my case though, but at least temp and RPM can be expected.
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