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04-16-2012, 01:21 PM | #23 | ||||||||
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For my own curiousity, do you know what the differences are between these switches? Rain sensing nonsense aside, obviously there is a difference between the ones with MDrive and those without. Is it just to allow the button on the steering wheel to function as the M Button? I.e. the physical switching hardware is indeed different between the M Button and the "wildcard" button, (or in the case of those of us without iDrive, the "Audio Input Source" button)? Quote:
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Do you know if Mike ever goes on the road? Maybe a group-buy would get him motivated? |
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04-16-2012, 01:25 PM | #24 | |
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04-16-2012, 01:29 PM | #25 | |
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Only thing is, the idea of installing the new switch hardware make me a bit nervous. Though I suppose that's not Mike's area of expertise to begin with. Plus, I don't necessarily want to just jump in and do this without him testing it on a non-iDrive car first. Although I wouldn't be totally opposed to trying it blindly either. |
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04-16-2012, 01:37 PM | #26 | ||||
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What is contained inside the switch column is the SZL module (as I understand it) which is what takes the signal from the button and then interprets it. Thus, the difference is in the interpretation by that module (which I assume is purely a programming difference, I guess firmware). That is why people have been unsuccessful in the past tackling this purely through coding, as you need to change how this SZL module actually functions. Quote:
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Although for the first person trying it on a non I-drive car, he probably would want to be local. |
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04-16-2012, 01:41 PM | #27 | |
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There is no re-wiring either. It is purely just taking things off (airbag is the trickiest if you haven't done it before, but it's pretty straightforward) and then put it back together. Basic screws and plugs. I have not done a single thing to my car previously and I did this in probably an hour and a half (including taking photos and going slowly). (that is just for the hardware, obviously, not including Mike figuring out the coding) |
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04-16-2012, 01:42 PM | #28 |
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I have M-Drive and I love it. MDM really is a great feature since I often trigger DSC when driving "spiritedly".
Also, Sport+ throttle is great because it allows me to rev-match my downshifts much more quickly. Great job on the retrofit, I'm surprised no one did it sooner! - KJ |
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04-16-2012, 02:02 PM | #29 | ||
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I have to believe there would have been quite a bit more single hump M3s ordered between MY2008 and MY2011.5 if this had been known back then. Quote:
By the way, in reading his thread more, I notice he has identified that Euro cars have a more generous MDM mode. Did you opt for that? It actually opens up some questions for me, never having had either. As an aside, on top of that, I also know that ZCP cars have a more aggressive MDM as well. I wonder how that differs from the Euro MDM mode (if at all), and whether he can code that too. If it is different and codeable, it might be an interesting third MDM option, making things even more complicated. I will have to ask him about all this. |
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04-16-2012, 02:43 PM | #30 | |
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I am unaware of the ZCP differences. Perhaps the ZCP is just the same as the Euro version, but any guesses on my part would be pure speculation. Would seem unlikely that it is more liberal than the Euro mode though. Remember that you an only have one installed at a time. |
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04-16-2012, 02:57 PM | #31 |
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Exactly. Given the choice, I think I will take more slip.
BTW, as far as the different MDM flavors, having thought more on it, I think there is indeed just two of them, and all Euro cars get the more aggressive one, while in the US only ZCP cars do (don't quote me on that though). |
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04-16-2012, 11:02 PM | #33 |
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Nice. If under 1k I'd do this for mdm. I track with dsc off, but on the street mdm would be nice.
I have a non I drive car. The m button controls the stereo source select instead. Would loose that easy. Mdm with no edc nor servotrinic would be nice. I also don't like sport anything. Normal gives the most linear throttle response. The real kicker is turnin off the damn bongs! I'd pay for that alone Btw do you know if it's possible to set the default to mdm or dsc off instead of full nanny mode? |
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04-16-2012, 11:22 PM | #34 |
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Great news, if mike was on the east coast i would be the first one to give him my car for trial and error. Mike, please post some info if this can be done for non Idrive cars. As far as I care, I only need MDM ALWAYS ON as default, and 2nd mode ALL nannies OFF for that time when I become the instructor. ALL IN FOR GROUP BUY......
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04-17-2012, 01:39 AM | #36 |
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Give me some time to reply.. I will offer this retrofit remotely.
Just am behind on work and need to catch up first. I think I scared the OP when I took his car out to make sure it worked Didn't want to release the car back to him without making sure it wasn't 'just' a light coming on and nothing more.. It was definitely all there. Today I discovered some additional differences between Competition package MDM and normal MDM.
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04-17-2012, 05:29 AM | #37 | |
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All M3s have Servotronic steerting. I assume you mean you don't care about the additional Sport setting that your car does not have. Not trying to be a dick or anything, BTW.
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Great, and many thanks to you for all your hard work! |
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04-17-2012, 07:34 AM | #38 | ||||
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04-18-2012, 08:06 PM | #39 |
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Just a quick update:
1. I will be able to retrofit this to cars without iDrive. This will take further development, and I will need a car here locally to work on for a couple hours. I am 100% confident that I will get it to work like factory, even without iDrive. 2. I will be able to offer this remotely so you do not have to be local 3. There are a few differences between Competition package DSC and non competition package DSC. I am investigating this further when I have time. 4. Euro MDM is another change on top of what is listed above. Euro MDM is really incredible. A world of difference over the US version. I will be working on this over the next few weeks. Right now I am nearing almost 500 unreplied emails. I thought it was closer to 300, but my junk mail folder in outlook seems a bit agressive. I promise to get to all of your inquiries, and thank you for your interest. Please accept my apologies for the slow replies. Those that need immediate answers, please feel free to call me. Thank you, Mike
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04-18-2012, 08:13 PM | #40 | |
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04-18-2012, 10:42 PM | #41 |
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Updated post 3 with the hardware install instructions. PLEASE make sure you have setup an appointment with Mike (he is a very busy man, as noted above!) before you delve into this. The car will still run, but DSC will be disabled, so probably not something you want to do weeks in advance. It is likely a max of 1.5 hours of work (even for the technically disinclined), so don't think of this as a massive weekend project you need to get done well in advance.
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04-19-2012, 01:17 AM | #42 |
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This is good stuff. I'm not sure that many will be enthused about taking apart their whole steering wheel / column to get the job done though, might not be worth that much trouble in the end.
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04-19-2012, 06:51 AM | #43 |
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Thanks for the updates and MDM info, Mike. You're knowledge, efforts, and services are extremely appreciated.
By the way, what do you think about the possibility to code hold-to-program M Button functionality for those that have iDrive? Possible? Not that it effects me, just something I had wondered about. Great news isn't it JulieD? Now you can order your car the way YOU want it with no MDrive anxiety. |
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04-19-2012, 09:01 AM | #44 |
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This is awesome! I cant wait for this!
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