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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 06-15-2013, 11:44 AM
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kskane kskane is online now
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Silly Q!

What type of electrical connection is available on E39 i.e. will K+DCAN cable work? And where is the connector i.e. under the bonnet/hood or in the cabin?
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  #2  
Old 06-15-2013, 04:02 PM
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johnstern johnstern is offline
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Don't know what you are talking about. What sort of electrical connection. Cigarette lighter is under HVAC controls.
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  #3  
Old 06-15-2013, 05:25 PM
Aussie528iT Aussie528iT is offline
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2004??? Downunder it could be either a very late E39 or an E60??? Don't confuse date of first registration with the ADR plate date or the BMW build date. The BMW build date is the month and year the body and drive line were joined on the production line. This is the important bit. The rest is all marketing crap. Its on a label, usually upside down on the inner guard adjacent to the LH strut tower. If its a late model with the M54 engine, E39 2000 -2003, it will have the OBD2 socket on the RH side of the steering column either under the dash or in the recess beside the steering column. The socket is under a black hinged cover with OBD embossed on it. If its an E60 it will probably be in a similar position. If its an earlier E39 it will have the 20 pin connector under the bonnet adjacent to the ABS control unit. E39s and early E60s up to approx 2006/7? use the K line protocol. Later E60s use the DCAN prototol. A USB K+DCAN cable should work.
You would be better off going to the diagnostic section of the forum for lots of useful info about diagnostics etc.

RonR
99 528iT M52TU
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  #4  
Old 06-15-2013, 05:29 PM
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hh3uunp hh3uunp is offline
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They round up from september though so if the car was produced 09-03 then it's a 2004.
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  #5  
Old 06-15-2013, 06:24 PM
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I connect my D-can INPA under the hood at the service connector... Works fine. I can connect through the OBD2 but it doesnt talk to all the modules throught that port for some reason.
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  #6  
Old 06-15-2013, 07:06 PM
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kskane kskane is online now
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Quote:
Originally Posted by rrtec View Post
I connect my D-can INPA under the hood at the service connector... Works fine. I can connect through the OBD2 but it doesnt talk to all the modules throught that port for some reason.
Thanks rtec, so the connector in the hood is OBD2 or OBD1? I don't have a E39, but planning to help a friend and need to figure out where the connector is and what type. My E60 OBD2 connector cable is K+DCAN and was wondering if that will work on the E39's.

Last edited by kskane; 06-15-2013 at 07:08 PM.
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  #7  
Old 06-15-2013, 08:33 PM
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rrtec rrtec is offline
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. The service port under the hood is the typical BMW round connector. The system is OBD2 but if you have K-Dcan with the round adapter you will be fine. Mine works in thee39 and without the round adapter in my wifes Mini Cooper s.. so you should be fine.
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  #8  
Old 06-15-2013, 11:15 PM
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QSilver7 QSilver7 is offline
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Will mention again...the build date is VERY important to know...especially in this case.

BMW installed a 16-pin OBD II DLC inside the cabin starting with 1996 model year (here in the USA) due to a federal mandate for OBD II compliance. OBD II is specifically for electronic engine emissions...and the DLC only communicates to a few modules on the TXD II com-lines. The 20 pin DLC in the engine bay was/is for communicating with BMW proprietary systems.

Starting with 9/2000 build date...BMW dropped the 20 pin DLC in the engine bay on E39s...and ALL communications is through the OBD II DLC inside the cabin.

So again, not knowing the build date of the e39 in question...we can't actually answer the OP's question correctly...it all depends on if the e39 in question has the 20 pin DLC in the engine bay or not.

Also, not all countries observe OBD II...so in those countries...your BMW may not have the 16 pin OBD II connector inside the car. And OBD II mandates weren't all implemented in 1996. Different countries have different roll out of OBD II compliance:


You can see in the topological chart below...if your e39 was built BEFORE 9/2000...the OBD II DLC can't read anything other than OBD II codes because it is NOT connected to the entire communication bus...it only communicates over the TXD II com-lines:

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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 06-15-2013 at 11:20 PM.
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  #9  
Old 06-17-2013, 06:26 AM
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kskane kskane is online now
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Quote:
Originally Posted by QSilver7
So again, not knowing the build date of the e39 in question...we can't actually answer the OP's question correctly...it all depends on if the e39 in question has the 20 pin DLC in the engine bay or not.
Thanks QSilver7, that was really informative. The vehicle I am trying to scan with m y K+DCAN cable is September 2001 Australian model. So I believe from what you said, there should be OBD II connector in the cabin but it will not read everything. And I need a OBD I cable to read all module with the connector in the hood via INPA. Is that correct?
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  #10  
Old 06-17-2013, 01:34 PM
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QSilver7 QSilver7 is offline
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If the BMWs imported to Australia fall under the Europe/UK OBD compliance...you'll probably not see the 20 pin DLC in the engine bay of your friends 2001 model...and you'll probably be able to hook up to the OBD II connector inside the cabin.

Here' in the States...9/2000 is the build date that the 20-pin DLC was dropped (which coincides with the debut of the 2001 model year). The scenario where the interior OBD II DLC won't access everything is when there's a corresponding 20 pin DLC in the engine bay. When you have BOTH DLCs ...then each one is for a dedicated purpose. If you only have the interior one...the OBD II and DIS (diagnostics) are both hooked up to the interior DLC.
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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