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Obioban's 2005 IR/IR Coupe

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  • terra
    replied
    Originally posted by heinzboehmer View Post

    Cool yeah that's what I thought. Any idea on the complexity of the coding? Might be fun to experiment with and without on track if flashing the thing is easy enough.
    The people who know how to do it are keeping quiet. Presumably using some sort of undocumented function. From what I have heard, there's no evidence that the modules are physically cracked open (though I have never physically seen one myself to say for sure), so presumably the flashing is possible over K-line or CAN. Perhaps using some built in "boot mode" rather than the BMW communications protocols. Thus far I have not figured out any method to dump software, let alone reflash these things. There may well be no method to dump software - I think it's a (former?) continental engineer doing the flashes, so they probably had access to the original binaries without having to dump anything.

    E9x generation MK60 modules are flashable via WinKFP so I thought that might be a good starting point to learn how to hack these things... but I can't figure out what kind of CPU the code belongs to to even disassemble the software. It's something made by Motorola/Freescale, but it doesn't appear to be ARM, PPC, or HCS12. Not sure what else to try

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  • Obioban
    replied
    Originally posted by heinzboehmer View Post

    Cool yeah that's what I thought. Any idea on the complexity of the coding? Might be fun to experiment with and without on track if flashing the thing is easy enough.
    So far you have to pay someone to do it-- there's no DIY option. And it's pricey, from what I've heard... ~$1000. So, probably nobody will be doing it just to mess around with it and then flash back to stock for street use...

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  • Obioban
    replied
    I've been looking for this part for a while. I actually installed and wired in the switch back when I was doing my weight saving stereo project.

    photo I took in July 2018:

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    And from the day I installed the seats:

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    And when I swapped to a full alcantara steering wheel you can just see it peaking out from behind:

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  • heinzboehmer
    replied
    Originally posted by Obioban

    The 813.3 and 817.3 DSC (this one) modules can be flashed with the MotorSport software— which was BMW’s race car abs. But, you lose all DSC doing so, and my car sees (lots of) street use— so I won’t be doing that.
    Cool yeah that's what I thought. Any idea on the complexity of the coding? Might be fun to experiment with and without on track if flashing the thing is easy enough.

    Leave a comment:


  • Obioban
    replied
    Originally posted by SteelGreyM View Post

    Is that easy to code?
    No coding needed-- it's what the module expects, as it's what the steering wheel button on the ZCP/CSL does. I just don't want to do that, as I very much like having the steering wheel controls.

    Originally posted by maupineda View Post

    This will be very cool!!! Wiring required?
    You need to run one wire from the stalk to the mk60. It just needs a momentary ground— which is what this switch provides.

    Originally posted by heinzboehmer View Post

    Isn't this version of the module also flashable with some"race" firmware? I remember reading something like that on some Porsche forum. Or maybe the "race" firmware is really just the ZCP ABS.
    The 813.3 and 817.3 DSC (this one) modules can be flashed with the Motorsport software— which was BMW’s race car ABS. But, you lose all DSC doing so, and my car sees (lots of) street use— so I won’t be doing that.

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  • heinzboehmer
    replied
    Originally posted by Obioban View Post

    817.3 DSC module— the zcp/csl module. More track focused/racey ABS and allows separate buttons for DSC and M track mode (so I can quickly turn off dsc again).
    Isn't this version of the module also flashable with some"race" firmware? I remember reading something like that on some Porsche forum. Or maybe the "race" firmware is really just the ZCP ABS.

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  • maupineda
    replied
    Originally posted by Obioban View Post

    I have an e39 washer stalk installed that has an “S” button on the end (where the BC button is on the turn signal stalk). On the e39 it’s used for high intensity wash. I’ll be using it for M Track Mode.

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    This will be very cool!!! Wiring required?

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  • SteelGreyM
    replied
    Originally posted by Obioban View Post

    I have an e39 washer stalk installed that has an “S” button on the end (where the BC button is on the turn signal stalk). On the e39 it’s used for high intensity wash. I’ll be using it for M Track Mode.

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    Is that easy to code?

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  • Obioban
    replied
    Originally posted by SteelGreyM View Post

    That’s a thing?! So what buttons will you be using now to activate/deactivate those?
    I have an e39 washer stalk installed that has an “S” button on the end (where the BC button is on the turn signal stalk). On the e39 it’s used for high intensity wash. I’ll be using it for M Track Mode.

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    Leave a comment:


  • SteelGreyM
    replied
    Originally posted by Obioban View Post

    817.3 DSC module— the zcp/csl module. More track focused/racey ABS and allows separate buttons for DSC and M track mode (so I can quickly turn off dsc again).
    That’s a thing?! So what buttons will you be using now to activate/deactivate those?

    Leave a comment:


  • Tbonem3
    replied
    Lol of course!

    I just saw a set of H&R sport springs for sale by member Ramo/S54.m3 and you can see the coils wound more closely together at the top vs. bottom which would indicate "progressive" to me. Though that's the lowering springs, I'm not sure how different their coilover springs are, if they're different.

    Leave a comment:


  • Obioban
    replied
    Originally posted by Tbonem3 View Post
    So FCM says they're linear, but the manufacturer says progressive?
    The manufacturer has said they’re linear and said they’re progressive, depending who they’re talking to. They told me linear 🙄

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  • Tbonem3
    replied
    So FCM says they're linear, but the manufacturer says progressive?

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  • Mike RT4
    replied
    Originally posted by r4dr View Post
    I called H&R just to ask, they confirmed it's progressive. They also refused to disclose their spring rates, but then how did someone get the 360/685 number?...

    I fucking hate companies that do that. Makes me want to just forget about their product and go with TCKs – my thought was that the FCM stuff seemed alluring down the road, so I wouldn't have to buy dampers twice.
    H&R Germany were more forth-coming .

    Andy they said the springs were progressive front and rear....

    The kit I am referring to is PN: 29355-1
    Last edited by Mike RT4; 09-25-2020, 03:06 AM.

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  • Obioban
    replied
    Originally posted by HighSchoolDream View Post

    What am I looking at here?
    817.3 DSC module— the zcp/csl module. More track focused/racey ABS and allows separate buttons for DSC and M track mode (so I can quickly turn off dsc again).

    Leave a comment:

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