10-25-2022, 09:39 PM | #1 |
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BMW IX Coding Thread
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IMPORTANT UPDATE === With the lease of software 03-23 (ISTA 4.40.12) BMW has moved the head unit to Coding2.0 / Secure Coding. This means that coding the IX is now pretty much impossible. As it stands only the RAM module is not included in the Secure Coding list. It's a sad reality but the days of DIY coding BWMs are truly coming to an end. Full list of models and modules requiring secure coding with the 4.40.xx update can be found here === BMW has moved to a new Coding 2.0 model which is making it very difficult to do any kind of code modification to the IX. This thread is intended to be the source of truth on this forum for all things IX-coding related (can we make this sticky please) The Current State: This is a table of modules contained in the IX (mine, x40, without B&W and Towbar, everything else present and accounted for) Code:
PSDZDATA VER: 4.38.11 MODULE NAME CAFD ____________ ____ SM3-6D NA ACSM6 NA ADCAM2 NA BCP_BASIS NA CCU2 NA DKOMBI8 NA EPS5 NA FLM4-43 NA FLM4-44 NA FRR3 NA FZD_ETH NA GWS3 NA HKFM3 NA HU_MGU NA HVS2 NA IB_BRS NA IB_VIP NA MPAD_PP NA MPAD_SSC NA NFC NA RAM AVAILABLE RLM-17 NA RLM2-1A NA SM3-6E NA SPM2 NA SRR2_ECU NA SRR2_SENSOR-8 NA SRR2_SENSOR-20 NA SRR2_SENSOR-28 NA SRR2_SENSPR-2A NA TSG-72 NA TSG-74 NA TSG-75 NA TSG-77 NA UCAP NA WAVE NA ZBE5 NA Head unit options - mostly vanity features but notably video playback from USB can be added. What are the challenges? BMW has moved to a cloud based coding infrastructure meaning that the CAFD (software) files for the various modules are no longer distributed in offline software packs. Without the CAFD files for modules retrofit coding is all but impossible. E.g, if you wanted to retrofit Laser Headlights, you can add the hardware (assuming that the connections and wiring are the same) but there is no way to code them to the car since the required module files are not available for coding. Another example is heated steering wheel. While it's possible to add the option to the climate menu in iDrive 8 by coding the MGU it's not possible to actually activate the heating function since the MGU needs to communicate to the BCP which in turn communicates to the steering wheel electronics. Since two of the three required module files are not available for coding a retrofit is not possible. Another challenge relates to the trimmed nature of CAFD files. BMW started removing the "nice" names for functions from the software files a while ago, requiring the CAFD and NCD files to be decoded and mapped. This adds significant overhead to a coding project, since any new software version has to be manually decoded and mapped. You also have to pay for commercial services like EsysX or BimmerUtility in order to translate your trimmed NCD file into a decoded one that you can flash to the car. What about the future? At the moment the coding prospects for IX (and newer models) does not look promising unless BMW moves back to an offline model for coding or someone with access to the files in the cloud leaks them, and leaks them after every update.
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10-25-2022, 09:46 PM | #2 |
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Mark can we make this a sticky please?
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10-29-2022, 11:45 PM | #3 |
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Update:
I messed around with the latest software files for the head-unit. Nothing groundbreaking there at all I'm afraid. Next up, I'll delve into the RAM module. It seems to be the gatekeeper for the ambient light settings, and from what I've seen in the software file we should be able to mix up the colour layering of the default lighting profiles (rather than have it all be one colour throughout the interior).
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01-18-2023, 03:38 PM | #4 |
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Update:
I have been experimenting with a few things and want to share some observations: * Full PSZData still does not include CAF files for modules other than RAM, CCU, MGU and HSHV. Of those, only RAM and MGU can be coded. SWFL and BTLD files are present. * Coding changes don't stick or have no impact on iDrive. For example, ambient lighting layers are controlled in the RAM unit, but changing the layer colour settings has no impact on iDrive or the actual colours displayed in the car. * Enabling non-standard features like eSim does not translate to those settings appearing on iDrive. Even with an FA code the correct parameters appear in the MGU CAF but nothing changes on iDrive.
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01-24-2023, 07:46 PM | #5 |
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Update:
I can confirm that the CAF files are not present in the dealer level software either (e.g, the software used by the dealership workshops)
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01-24-2023, 07:53 PM | #6 |
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01-25-2023, 12:07 PM | #8 |
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Yes, those can be coded out of iDrive (the nag screens). But anything that relies on other modules (seatbelt reminders) cannot be coded with esys. They are possible with ISTA though, but not DIY since you need a secure connection to BMW to get the files.
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01-25-2023, 12:48 PM | #9 |
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Waiting for the next BimmerCode update to support the iX even if it’s just for the disclaimers…. I just emailed them asking if they have pending update for the iX…
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01-25-2023, 02:55 PM | #10 |
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Update:
From a dealer perspective there is only a single retrofit that has been sanctioned by BMW; Towbar (ROW only, excludes USA). This is relevant because some folks had the hands-free tailgate deleted due to parts shortages, and the question was asked if it would show up as a modification or retrofit later on. At this point, the answer is "no".
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01-25-2023, 03:00 PM | #11 | |
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01-25-2023, 04:39 PM | #12 | |
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01-26-2023, 07:13 AM | #13 |
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BimmerCode will support the iX and it’s limited modules soon. Here is their response to my inquiry:
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01-26-2023, 10:17 AM | #14 |
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Can you make a list of what you were able to code, and in which modules?
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01-26-2023, 12:22 PM | #15 | |
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Quote:
BMW iX now with manually activated heat management for the high-voltage battery, plus the Trailer Assistant.https://www.press.bmwgroup.com/globa...or-spring-2023
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01-26-2023, 12:24 PM | #16 | |
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01-31-2023, 12:05 AM | #17 |
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I need to install a hitch to carry bikes and a small basket but I'm afraid that the rear sensors will go crazy when detecting something. In my former X7 there was an option in the I drive to select towing and that deactivated the rear sensors...does anyone know if that can be coded ?
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02-01-2023, 11:20 PM | #18 | |
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02-01-2023, 11:30 PM | #19 |
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Bummer..so i will have to back up very slowly when using the hitch so I don't upset the system
I just order the hitch and will see when i get it
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02-05-2023, 05:56 PM | #20 |
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I’ve only really had a quick 10 minutes play but so far I’ve coded the Idrive disclaimer off and the one touch turn signal to 5 blinks.
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02-05-2023, 11:09 PM | #21 |
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Yup those MGU coding flags are the easy ones
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02-14-2023, 08:05 PM | #22 |
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This is what pisses me off. I have a letter from BMW that I signed upon delivery of my iX that says otherwise. Parts are plentiful, I have installed the part, and no retrofit coding in ISTA to have the dealer perform to activate the damn module!
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