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      09-03-2015, 07:05 AM   #243
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Quote:
Originally Posted by Andym3100k
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Originally Posted by boots View Post
He's going down here to Houston to get eurocharged tune Andy.
Oh I see, I thought someone can do it thru OBD.....that will be great!
I will talk to my guy who does the coding but I thought he said it can be coded off through OBD. If not, I'll see if it can be done when I get the tune. I know it's been done before and it's possible.
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      09-03-2015, 07:41 AM   #244
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Originally Posted by Andym3100k View Post
Oh I see, I thought someone can do it thru OBD.....that will be great!
Once you crwck olen the dme and have the passwords. You can basically code anythrough the obd. But 1st has to crack the ecu first.
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      09-10-2015, 06:08 AM   #245
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I doubt any codes can be obtained without bench flashing the ECUs first.
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      09-11-2015, 02:24 PM   #246
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For the flash tunes do the ECU's need to be physically opened up or is it just plugged into a connector to upload the tune?
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      09-11-2015, 04:46 PM   #247
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Opened, decrypted and password obtained in order to remap the ecu..
I've had my cars diagnostics run many times. It can't be detected unless looked for. The error codes from piggybacks that come through on a diagnostic make you realize that the remap route is better IMO
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      09-11-2015, 05:44 PM   #248
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Yup
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      09-12-2015, 04:11 PM   #249
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Quote:
Originally Posted by MCarsFan View Post
Opened, decrypted and password obtained in order to remap the ecu..
I've had my cars diagnostics run many times. It can't be detected unless looked for. The error codes from piggybacks that come through on a diagnostic make you realize that the remap route is better IMO
Thanks for the info, I had a feeling that was the case.
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      09-19-2015, 09:34 PM   #250
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Originally Posted by Lerxst M5 View Post
Thanks for the info, I had a feeling that was the case.
Np
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      09-20-2015, 03:39 AM   #251
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Quote:
Originally Posted by MCarsFan View Post
Opened, decrypted and password obtained in order to remap the ecu..
I've had my cars diagnostics run many times. It can't be detected unless looked for. The error codes from piggybacks that come through on a diagnostic make you realize that the remap route is better IMO
No codes on piggy's, codes on flash.. It will simply display 1-2 errors in the DMEs with some writing error as far as I remember. I had this on one of my diesels. When BMW had the codes, a pop-up window came up and said car is tuned, proceed to send email to BMW GMBH - Warranty is dead.
What you can do it, just delete the errors prior to going to the dealer.
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      09-20-2015, 07:54 AM   #252
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Many of my friends run piggys. We have a BMW master tech in our crew who regularly checks our cars. The piggys throw up error codes all the time. The tunes don't. Yes, there are risks with running the remap but I have seen so many friends who run piggys have to replace spark plugs and coils from over boost that I think it's clear they are not doing any good to their cars long term.
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      09-20-2015, 09:24 AM   #253
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Quote:
Originally Posted by MCarsFan
Many of my friends run piggys. We have a BMW master tech in our crew who regularly checks our cars. The piggys throw up error codes all the time. The tunes don't. Yes, there are risks with running the remap but I have seen so many friends who run piggys have to replace spark plugs and coils from over boost that I think it's clear they are not doing any good to their cars long term.
Wish I had pictures of my plugs. 1st set had only 20k miles and I had to replace a plug again at 2k. I am not saying all piggys do this but the one I had did.
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      09-21-2015, 08:33 AM   #254
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To the naked eye wethink its just normal plugs. But if you look closer you see where the white stuffs are right on the pin and color change right onthe tip. Thats from inconsistensy of over boosting on piggys "they say". Idk if this helps but i figure to share it. Now its getting New One and Re-Gapping it. ???
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      10-03-2015, 09:45 PM   #255
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13M5F10, iamvietness we need to get a dyno day arranged.
I want to see what my RPi GTM exhaust has done in terms of gains prior to fitting the MSR intakes.
Dyno is a must, I am sure we can get some other takers.
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      10-04-2015, 01:14 AM   #256
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Quote:
Originally Posted by MCarsFan
13M5F10, iamvietness we need to get a dyno day arranged.
I want to see what my RPi GTM exhaust has done in terms of gains prior to fitting the MSR intakes.
Dyno is a must, I am sure we can get some other takers.
I'll ask the place that's installing mine how much they would charge on Wednesday. I'll text you guys and let you know and arrange a day for your two beasts and my stock mini beast lol
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      10-04-2015, 05:10 PM   #257
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How's the new exhaust?
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      10-18-2015, 12:44 AM   #258
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Quote:
Originally Posted by MCarsFan View Post
Opened, decrypted and password obtained in order to remap the ecu..
I've had my cars diagnostics run many times. It can't be detected unless looked for. The error codes from piggybacks that come through on a diagnostic make you realize that the remap route is better IMO
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      11-01-2015, 10:31 PM   #259
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Fit RPi downpipes this week...We will see..
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      11-02-2015, 12:20 PM   #260
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Quote:
Originally Posted by MCarsFan View Post
Many of my friends run piggys. We have a BMW master tech in our crew who regularly checks our cars. The piggys throw up error codes all the time. The tunes don't. Yes, there are risks with running the remap but I have seen so many friends who run piggys have to replace spark plugs and coils from over boost that I think it's clear they are not doing any good to their cars long term.
Master techs will not be able to see what an engineer from BMW can. A full tune, means breaking the encryption of the DME's and master techs don't have access to that data.
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      11-02-2015, 05:54 PM   #261
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Quote:
Originally Posted by greentrbo95gst View Post
Master techs will not be able to see what an engineer from BMW can. A full tune, means breaking the encryption of the DME's and master techs don't have access to that data.
He meant from a dealership tech diagnosis point of view they can easily see piggybacks while full flash tunes are harder to see (hidden).

Of course, this doesn't matter if you are an engineer and can dig deep into the actual files of the ecu then the flash can be easily discovered.
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      11-02-2015, 10:21 PM   #262
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There is no encryption that is broken. The ECU codes can only be read in a particular service mode. The way the decoder works is it provides a certain frequency to a particular sensor at a particular RPM (car isn't running) - once this happens it will spit out the ECU keys.

Once you have the keys, it is standard Infineon Tricore flash in boot mode.

If the tech reads/sends the file over to BMW, they will 100% know. Other than that the techs won't have a clue except for the hole in the ECU (or signs the cover was removed).

If/when the actual encryption is broken, the initial flash can be done via OBD2
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      11-02-2015, 10:23 PM   #263
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Quote:
Originally Posted by Mgone View Post
To the naked eye wethink its just normal plugs. But if you look closer you see where the white stuffs are right on the pin and color change right onthe tip. Thats from inconsistensy of over boosting on piggys "they say". Idk if this helps but i figure to share it. Now its getting New One and Re-Gapping it. ???
To me you are running lean - not good. The AFR targets on the factory flash are lean until 5.5K RPMs. If you are boosting 20+ psi at 14.7 AFR... keep your fingers crossed!
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      11-04-2015, 09:23 AM   #264
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Quote:
Originally Posted by allmotor_2000 View Post
There is no encryption that is broken. The ECU codes can only be read in a particular service mode. The way the decoder works is it provides a certain frequency to a particular sensor at a particular RPM (car isn't running) - once this happens it will spit out the ECU keys.

Once you have the keys, it is standard Infineon Tricore flash in boot mode.

If the tech reads/sends the file over to BMW, they will 100% know. Other than that the techs won't have a clue except for the hole in the ECU (or signs the cover was removed).

If/when the actual encryption is broken, the initial flash can be done via OBD2
Yes that sounds about right.. But I don't believe many tuners will give out the passwords...
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