GSR Technik 228i N20 ECU Flash Tune Now Available 50whp/90wtq |
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05-04-2015, 10:32 PM | #45 | ||
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05-05-2015, 12:19 AM | #48 | |
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http://lobby.la.psu.edu/_107th/093_O..._questions.htm So what you are saying might be true in the future but what we understand today is that emissions monitoring is not happening today. As far as detection. The new FlexRay based ECUs do have a DME tamper code built in so if you do not address the issue of NOT triggering the DME tamper code then yes it will show up when you plug-in a diagnostic system. We have resolved this and our tune does not trigger the DME tamper code. We have loaded our tune and plugged it into an Autologic diagnostic system and taken it to a friend in the industry and plugged it into the factory diagnostic system and the tamper code was not triggered. We have had guys bring cars by our shop and we plug our diagnostic system in and we can see that the tamper code has been triggered - no bueno. From what we know at this point, the changes we are making to the binary code and the recalculation of the checksum are undetectable. Our tune does not change emissions. Obviously running downpipes does change emissions which COULD? be seen if they are truly recording emissions data. If we are talking the possibility of recording data, actually this issue would be true for a flash tune as well as piggyback systems so it would not be specific to how we are approaching tuning but every tuning product on the market today. So just to recap - our current understanding is that our tune is not detectable. If you change the emissions systems (e.g. at catless downpipes) on your vehicle it might be possible (unverified) that recording/transmission capabilities built into FlexRay/ODB3 might be able to detect emission measures that are out of whack. FlexRay which is starting to replace CAN is not a total mystery - it is an ISO standard. Each OEM is implementing it a little different and some are much more focused on security. Interestingly enough Mercedes is actually being more open where BMW is focused on locking everyone out. I think this is actually going to help Mercedes in the enthusiast market - we know they make great motors and we are seeing a rise in tuning Mercedes. If you want to read more about FlexRay start here. http://www.ni.com/white-paper/3352/en/ Great discussion forming on this thread, thanks. If you are interested, PM me directly and would love to explore the specific cars that have been flagged and understand the state of the ECU when it was flagged. We know the M cars have more security implemented than non M cars so there is a lot more work to deal with M car ECUs. You can't treat them the same when tuning. |
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05-05-2015, 12:24 AM | #49 |
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We are working on it, just a little slower because we actually own cars with N20 and S55 so we are dependent on others allowing us to use their cars (for N55) so we move a lot slower on those cars because we don't own them and we can't take risks like we would with cars we own. So slow and steady goes the snail but we will get there.
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05-05-2015, 12:38 AM | #50 | |
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An important point about reflashing is that we are only updating the binary we need to so we would NOT copy over the changes that BMW made to fix other issues. |
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05-05-2015, 12:42 AM | #51 |
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05-05-2015, 12:47 AM | #52 | |
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05-05-2015, 01:28 AM | #53 |
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05-05-2015, 01:28 AM | #54 | |
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05-05-2015, 01:45 AM | #55 | |
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http://www.2addicts.com/forums/showthread.php?t=1117222 The way the tune works it should adapt to 93 so you will get more HP/TQ than you would with 91. <jealous> Because this is a flash tune there is no switching capability. To move from Stage 1 to Stage 2 you would have to send the ECU back in for us to tune along with more $$ ;-) |
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05-05-2015, 05:57 AM | #56 | |
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05-05-2015, 07:25 AM | #57 | ||
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You patiently, concisely, and thoughtfully made replies to many naysayers in clear layman English. Nicely done. |
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05-05-2015, 07:26 AM | #58 | ||
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05-05-2015, 07:47 AM | #59 | |
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If you have a laptop and it's easy to do, I'm happy to orchestrate an east coast trip and you can tune a number of cars out here, including mine!!
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05-05-2015, 08:14 AM | #60 |
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If a car has had JB4 or another tune that triggered the "tamper code," is that tamper code triggered for good or would it go away after some time?
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05-05-2015, 09:35 AM | #61 |
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Does your tune come with a warranty like DINAN's or is it use-at-your-own-risk?
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05-05-2015, 09:55 AM | #62 | |
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05-05-2015, 10:41 AM | #63 | |
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Some really really good info here. I am glad to know that you are one of the most knowledgable vendors on here. You are correct, the M cars have a lot more security and the entire decryption process varies from non M cars. Also as you probably know the encryption process of the f10 m5 took 3 years and M3/M4 few months only. However, both chassis are now experiencing problems as Shop foreman are being rewarded to flag modified cars. I know for a fact that both platforms have been recording catless downpipes, broken encryptions and modified DCT software, and those cars lost warranty. The whole big brother watching has been present in Europe for few years already and now manufacturers found a way to implement the same in the US which is privacy law suit heavy. It's definitely interesting to see where the car market is heading. In July I am looking to lease a 228 or 235 as a commuter and I will definitely contact you for a tune. I am local as well.
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05-05-2015, 01:45 PM | #64 | |
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05-05-2015, 04:12 PM | #65 | |
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If I were to get a Stage 1 for $1k and then want to upgrade to Stage 2 later, do I pay another $1500 or just the difference of an extra $500?
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05-05-2015, 07:18 PM | #66 |
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Dinan has made a lot of money over the years and is now in a position to purchase a third party insurance product to cover things if Dinan gets in a pissing match with BMW over who's fault it is. Unfortunately we are not in the same position so it is use-at-your-own-risk. Of course we think we have done a good assessment of what a reasonable tune is without putting the motor on the edge of the performance envelope.
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