NefMoto > General > General Discussion > Differnce between 551K and 551F box RS4 B5
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Author Topic: Differnce between 551K and 551F box RS4 B5  (Read 6963 times)
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« on: February 04, 2014, 07:02:15 AM »
What is the difference between those two and can both be used in the same car?
Can I take a 551F box and flash in 551K file?
What would happen here?
I am trying to learn, thanx!!
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prj
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« Reply #1 on: February 04, 2014, 07:51:36 AM »
You can, and you should, as 551k has misfire monitoring.
But not over OBD.
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« Reply #2 on: February 04, 2014, 09:31:27 AM »
Ok, thanx D.
What is the procedure than?
A friend has an RS with oem K box, that was gone bad.
He bought a used one, but it was an F, hence the question Smiley
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« Reply #3 on: February 07, 2014, 09:03:34 AM »
Quote from: Mocke on February 04, 2014, 09:31:27 AM
Ok, thanx D.
What is the procedure than?
A friend has an RS with oem K box, that was gone bad.
He bought a used one, but it was an F, hence the question Smiley



Anybody??
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armageddon
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« Reply #4 on: February 09, 2014, 08:29:19 AM »
from what I had read over here you have to flash K-box file in boot mode, only then you could flash over OBD
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gregsback
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« Reply #5 on: February 09, 2014, 10:26:10 AM »
You can use the F on a K box, but  I cannot recommend to do so. If you do so, you also have to correct the variant coding (in your bin) as this does not match from F on K (but vice versa). Otherwise you will get an error of wrong ECU coding.
Why don't you use the K Box?
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« Reply #6 on: February 09, 2014, 12:18:15 PM »
Quote from: gregsback on February 09, 2014, 10:26:10 AM
You can use the F on a K box, but  I cannot recommend to do so. If you do so, you also have to correct the variant coding (in your bin) as this does not match from F on K (but vice versa). Otherwise you will get an error of wrong ECU coding.
Why don't you use the K Box?



Hi

It is a friend of mine. He had a problem with rear O2-s. We have emission laws over here that do not allow dtc on these. He swapped them for new - Did not help. He swapped the entire harness - Nada. So he bought a used 551F box, but he missed that his oem is 551K.

"correct the variant coding (in your bin)" that means?
Is it the same procedure K = F?
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prj
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« Reply #7 on: February 09, 2014, 03:02:48 PM »
Contact me and I can fix the situation for you ...
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« Reply #8 on: February 12, 2014, 10:28:49 AM »
Quote from: prj on February 09, 2014, 03:02:48 PM
Contact me and I can fix the situation for you ...

In the end you just might do that, but i would like to learn something btw.
I would like to know how it is done, plz.
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