GSR Technik 228i N20 ECU Flash Tune Now Available 50whp/90wtq |
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04-26-2015, 08:14 PM | #1 |
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GSR Technik 228i N20 ECU Flash Tune Now Available 50whp/90wtq
Featured on BIMMERPOST.com Some of you may have seen the 2Addicts thread covering the development of our 228i into a Pirelli World Challenge TCA Class racecar. We have a great group of development partners and are excited to start offering new products based on all the development work we have done over the last year or so. Check out the 228i thread: http://www.2addicts.com/forums/showthread.php?t=1117222 We’d like to official announce the launch of a proper ECU flash tune for the 228i achieving approximately 50whp and 90wtq over stock. The dyno graph below is tune only on 91 octane – with listed modifications. This is an ECU flash tune (not piggyback) so it does require access to the ECU. Removal of the ECU is fairly simple – we should have a how to video up shortly. For those of you in Southern California – removal, flash and reinstallation of the ECU can be done at our shop in about 1-2 hours. Stage 2: ___________________________________ Stage 1: Last edited by GSR Technik; 04-26-2015 at 10:16 PM.. |
04-26-2015, 09:14 PM | #2 |
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Looks good for 91 octane
And better price than Dinan good job! Look forward to seeing some reviews by forum members
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04-26-2015, 09:51 PM | #5 |
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04-27-2015, 08:14 AM | #7 |
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Are you furthering this into the M235i? Also, all of your pictures are broken for me.
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04-27-2015, 09:04 AM | #8 |
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GSR Autosport Stage1 image for 428 is wrong I believe its showing 203hp/234tq ... Max 241/279 those numbers don't look right
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04-27-2015, 09:42 AM | #9 | |
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Dynos are not necessarily an absolute value but rather useful to show a difference. That's why same day/conditions are imperative. Since the 4 has the same engine just add +40/45 to the 228 stock dyno. |
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04-27-2015, 10:06 AM | #10 |
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04-27-2015, 11:05 PM | #11 |
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04-27-2015, 11:08 PM | #12 |
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Check again to see if dyno pics are there. They seem to be showing up. We are refining the M235i. We should have the car back on the dyno later this week or early next week. Will post results when we have solid numbers.
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04-28-2015, 11:40 AM | #13 |
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How does that work? So the dealer cannot see an ECU tune? Excuse my ignorance I just don't get how that works.
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04-28-2015, 08:26 PM | #16 | |
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04-29-2015, 05:37 PM | #18 | |
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It's done by plugging directly into the ECU using tools that are derived from the tools that are used to develop the systems, such companies as Siemens or Bosch. The code in raw state is a bunch of binary so these tools allow you look at the code and make changes to the binary that is interpreted by the embedded systems (hardware/software). There is a checksum that gets calculated from the binary to check to see if any of the binary code has been changed. These checksums need to be recalculated if you make any changes to the binary code - these types of tools allow you to do that. So when dealers are plugging into the cars for general diagnostics they aren't designed to look at the binary directly and say this fuel map has been changed from what is expected. That's at least the basic idea. There are empirical things anyone could do to test like check to see if the car will go faster than the speed limiter or monitoring boost on a dyno to see if boost is exceeding factory specifications but typically dealers are not doing those types of things. |
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04-29-2015, 06:00 PM | #19 |
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So wait, are you saying a proper flash tune is coming to the M235i?? You guys were able to crack the ECU? If so, COUNT ME IN.
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04-29-2015, 07:41 PM | #20 |
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They are not the first for sure but it seems this is the first, that I've seen, offering here in the US and at a reasonable price.
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04-29-2015, 07:45 PM | #21 | ||
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That actually makes a lot of sense how you describe it.
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04-29-2015, 10:37 PM | #22 | |
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If there is anyone else who is interested in an ECU flash tune for their M235i let us know - we will give you a GREAT deal. If you are not 100% satisfied we'll flash it back to stock and you will be no worse for wear. Need to be in SoCal so we can verify everything on the dyno before we return the car into the wild. |
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