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Old 07-28-2018, 11:24 PM
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Emission Issues

Hello Xoutpost world im having a big issue right now for emission test so basically i got no communication when i went i sent it in to bmw and they said it had to be done by 20 pin obd under the hood the drive clean people said thats not aloud and it has to be done by 16 pin obd and that i have to fix this issue and make the emission test machine work from there even tho i have paper work from BMW saying the both obd have power and work it needs to be done from under the hood.. can anyone give me some help with this please and thank you
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Old 07-29-2018, 12:22 AM
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I have a 20-pin to 16 pin adapter maybe you could wire that in to get 16-pin under the dash but more than like you have a cut wire somewhere
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Old 07-29-2018, 03:00 AM
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Emission checks via the 16-pin ODB port in the card should work on any E53 X5, as far as I understand.

Early cars have emission data ONLY on the 16-pin in the car - all other modules must be accessed via the 20-pin under the hood(bonnet).

BUT, the 16-pin inside the car will only work if the correct cap is installed on the 20-pin under the hood (bonnet). This cap loops the appropriate data lines back to the 16-pin connector. Without this cap in place, the 16-pin connector is dead.

At least, that my understanding of how things are arranged in the early E53 cars. Later cars have everything on the 16-pin ODB port.
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Old 07-29-2018, 11:33 AM
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Quote:
Originally Posted by andrewwynn View Post
I have a 20-pin to 16 pin adapter maybe you could wire that in to get 16-pin under the dash but more than like you have a cut wire somewhere
thanks for the reply .i have the adapter aswell but they said i cant use it that it has to be done from 16 pin.. and you really think i have a cut wire some where even tho bmw checked it out and said everything looks fine there?
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Old 07-29-2018, 11:50 AM
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Quote:
Originally Posted by wpoll View Post
Emission checks via the 16-pin ODB port in the card should work on any E53 X5, as far as I understand.

Early cars have emission data ONLY on the 16-pin in the car - all other modules must be accessed via the 20-pin under the hood(bonnet).

BUT, the 16-pin inside the car will only work if the correct cap is installed on the 20-pin under the hood (bonnet). This cap loops the appropriate data lines back to the 16-pin connector. Without this cap in place, the 16-pin connector is dead.

At least, that my understanding of how things are arranged in the early E53 cars. Later cars have everything on the 16-pin ODB port.
hey wpoll i have no clue all i know i heard all x5 under 2002 have to be scanned from 20 pin under the hood but i dont know about the emission they told me 2014 and 2016 i had it done on obd so that it had to be done the same way
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Old 07-29-2018, 01:31 PM
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Quote:
Originally Posted by wpoll View Post
Emission checks via the 16-pin ODB port in the card should work on any E53 X5, as far as I understand.

Early cars have emission data ONLY on the 16-pin in the car - all other modules must be accessed via the 20-pin under the hood(bonnet).

BUT, the 16-pin inside the car will only work if the correct cap is installed on the 20-pin under the hood (bonnet). This cap loops the appropriate data lines back to the 16-pin connector. Without this cap in place, the 16-pin connector is dead.

At least, that my understanding of how things are arranged in the early E53 cars. Later cars have everything on the 16-pin ODB port.
and also i had BMW check out the 16 and 20 pin and they said both are working just fine
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Old 07-29-2018, 01:34 PM
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Quote:
Originally Posted by cuban_bmwx5 View Post
hey wpoll i have no clue all i know i heard all x5 under 2002 have to be scanned from 20 pin under the hood but i dont know about the emission they told me 2014 and 2016 i had it done on obd so that it had to be done the same way
Some of this is not right, and I will guess that what wpoll is saying is exactly right. It makes sense. I would take that as the truest thing on this page so far.

I have a 2001, built pretty late, like June 2001, I think, and it definitely has the 16-pin only. No round 20-pin under the hood.

I've never had any problems at all (successful twice so far) getting it smogged here in CA. But I have had a problem on another car (Porsche) where the smog tech did not know exactly what to do until I had to very carefully and patiently explain it to him. Then it worked only after a long debate when he finally listened to me. Typical smog techs aren't exactly out-of-the-box thinkers and your situation and mine (with the Porsche) may require that.

If your car is stock (I'll assume it is, but if not, all bets are off), I really doubt that any law would expect you to make it non-stock so you can pass a test like this. I expect it is the smog station's responsibility to make it work, but they probably don't know as much as wpoll about this.

You might try phoning around first to see if you can find anyone who knows about this. Of course the standard thing is they'll act as if they have a Ph.D. in smog testing and you're in kindergarten, so be ready for that. But you'll probably either need to do what wpoll says and don't mention anything, or you'll need to find a place that knows to do that.

EDIT - I just noticed you're in Canada, right? If so, then I don't know. Completely different laws, so I don't know what they'd expect a private citizen to do. Somehow I had thought you were in CA (the Democratic Peoples Republic of Kalifornia).
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Old 07-29-2018, 01:35 PM
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Emission Issues

I just re read your post.

You are simply missing the cap to jumper the 20 port to the 16 port. I can find the pinout for you and you can make your own jumper set.

My wife has a 2000 1/2 x5 with the 20 pin port. (stupidly obly uses like FIVE or seven pins.

I call it 2000 1/2 because the 2001 officially has 16 pin yet hers has 20 and 16. I did notice recently when I was resetting her oil Service light the cap has jumpers in it. Are you saying your cap doesn't?

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Last edited by andrewwynn; 07-29-2018 at 02:38 PM.
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Old 07-29-2018, 04:56 PM
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Thanks for confirming, andrewwyn.

The cap I'm talking about is the factory dust cap that fits onto the 20-pin connector. Inside this cap there are jumpers and unless this cap is on the 20-pin connector (locked down) the inside 16-pin connector is dead.



If your cap is missing, then as andrewwyn suggested, you will need to jumper a few of the pins on the 20-pin in order to get the 16-pin functional.



Have a look at this thread...

https://xoutpost.com/bmw-sav-forums/...-icarly-2.html
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Old 07-29-2018, 04:58 PM
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Awesome yes that's exactly what I'm talking about. Just two jumpers.


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