11-19-2020, 07:36 AM | #1 |
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2021 Flashing.... Bad News for now...
Spoke to a few people over the last few days at some of the top companies that flash our cars. The 2021 model 340 is not tunable at the moment. On top of the 2020 anti tuning software that could be overcome with a bench unlock, there is a new modification in the DME that doesn't allow a bench unlock or flash to work.
I was told that these same tuners are trying to work around it, but not to expect anything for a little while, as its going to take time IF its able to be done at all. I was hoping to flash my car soon. Oh well. I have to wait now. Anyone else hear anything about this? Any vendors with anymore info they can provide please? |
11-19-2020, 11:32 AM | #3 |
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Yeah this has come up a few times already - a bummer for 2021 owners (for now)
To summarize, shortly after the start of 2021 M340 production Bosch switched things up and moved to a new DME. To date, the new DME has not been able to be unlocked by the aftermarket. This is a typical cat and mouse with BMW and the tuners. However I do understand this latest DME presents some new and unique challenges (in terms of an unlock) Globally Mission Performance has been the first to crack every rev of B58 software/hardware to date....time will tell if they will be first to market again Last edited by chenry; 11-19-2020 at 11:54 AM.. |
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11-19-2020, 11:53 AM | #4 |
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Other threads on it. Use a JB4 for now to have fun. Add in a back end flash map later once they crack it. They always crack them eventually!
JB4 is really easy to install. The basic setup is 3 connections, TMAP, MAP and CANbus (the real difference maker tuning wise!). |
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11-19-2020, 12:53 PM | #5 | |
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11-19-2020, 01:22 PM | #6 | ||
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Last edited by chenry; 11-19-2020 at 02:02 PM.. |
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11-19-2020, 02:30 PM | #7 | |
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both 2020 & 2021 use the Bosch MG1CS201 DME with the Tricore Aurix processor. I own a 2021 M340i and there's a 2020 M340i at work. For the bootmode read/write exploit, this was patched by Bosch in ~August 2020. This was a global update for all of their ECUs, for all manufacturers (VAG, Mercedes, BMW, etc). This even effects new MEVD17 ECUs (previous gen Bosch ECU) like what's in the F87 M2. This was presumably to keep their customer's happy since they likely got the contract with various OEMs partially due to their updated/upgraded security features implemented in the MG1 family of ECUs. If you or anybody has any questions about any of this feel free to ask. |
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11-19-2020, 02:35 PM | #8 | |
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Thanks for the detailed info ps- you work for/with Dinan (or a Holley company)? I am considering the Dinan monoballs Last edited by chenry; 11-19-2020 at 02:47 PM.. |
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11-19-2020, 03:21 PM | #9 | |
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As far as the mono balls, I’m pretty sure they’re installed on both the M340i and X3M at work. I’ve driven both of these quite a bit and can say this in conjunction with our other suspension products springs & supplementary handling kit make a massive difference. The difference between my car that has stock suspension vs the M340i at work is huge. The ride on the M340i gets more harsh, but IMO it’s a worthwhile trade off. |
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11-19-2020, 03:25 PM | #10 | ||
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11-19-2020, 03:52 PM | #11 |
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If you haven't already, you should really check out the catback. It's the first thing I bought after getting the car. In sport mode it's much more aggressive than the previous catbacks Dinan has made. It really transforms the whole car.
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11-19-2020, 09:18 PM | #12 | |
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Drives: 2020 M340i
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2020 M340xi PB (sold)
2020 Ram 1500 Laramie (Daily) 2019 Shelby GT350R (Weekend) |
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11-19-2020, 10:36 PM | #13 |
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I'm very familiar with it (friend is running it) and it is very impressive indeed. But given I'm running a catted DP I'm about at my tolerance level for noise volume and anything more aggressive would likely be a wee bit too much (for me)
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11-20-2020, 07:25 AM | #14 | |
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I can't say I am familiar with the terms you used, not a tech guy at all.... I dont need an explanation really..... just an opinion, do you think the new cars will be tunable eventually? Thanks for chiming in. |
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11-20-2020, 12:27 PM | #15 | |
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I don't think it's unrealistic to say it could be a year or more for a bootmode exploit. For an OBD exploit, I feel like it could be sorted sooner. |
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11-20-2020, 01:41 PM | #16 | |
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11-20-2020, 02:00 PM | #17 | |
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11-20-2020, 02:30 PM | #18 | ||
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11-20-2020, 03:09 PM | #19 | |
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Looking forward to a solution somehow so I can flash my car eventually. |
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11-21-2020, 05:18 PM | #21 |
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11-21-2020, 05:55 PM | #22 |
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Warranty work is probably part of it but I think emissions compliance is a bigger part. They are on the hook if they make it too easy for people to disable emissions fault codes and exceed factory tested specifications.
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