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10-17-2021, 04:08 AM | #45 |
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Yeah I had to code SS to remember my last setting at engine off so it's always off. GTS never had SS so can never get it back when running the GTS tune.
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01-31-2022, 02:33 PM | #46 |
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I'm updating this thread instead of making a new one:
In the DATEN Files there is a kmmData folder that has information on which ZB relates to which chassis code. You can look at the kmm_SG.txt for more details. ## ZB 7845773 - E92 GTS Code:
+G;1;1038481;A;EGS_299_S65_GS40_B44_GTS 7844403;7844405;7582765;1009450;WHNSL 7845773;7844978;7582765;1103450,1103470-1403430,1012500-;WHNSL 7844976;7844978;7582765;1103410,1109350-1012460,1006500,1009500-1009512;WHNSLL Code:
+G;1;1285580;A;EGS_303_S65_GS40_B44_CRT 7848442;7844978;7582765;1207490,1207500;HNL
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05-24-2022, 07:25 AM | #47 |
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ZB 7847869 - Up to date Euro Flash?
- Smoother than US, faster to reverse - Better at low speeds than US but still noticeably clunkier than GTS - Interesting note: The best sounding transmission tune. -----Gives a really, really nice overrun sound when doing 1-2s and 2-3s at lower speeds. -----Clear, audible cut of power during some shifts in higher settings, sounds mechanical & satisfying, like racking a gun. Hard to explain. -5500RPM launch, not very useful. pure entertainment, theater. - I switch to this when tracking and would use it all the time if it was as intelligent at slipping the clutch as GTS when operating at low speeds. ZB - 7847868 Current US tune??? - No notable characteristics. Felt very much like when I got the car, which came flashed with DME & trans with 2013 SPDaten flashes. Felt like many of the other stock M3s I've driven. Not bad, but could be better. 7847869 is the current US DCT flash 7847868 is current euro DCT flash |
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05-24-2022, 09:29 AM | #48 |
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I thought there was two GTS Tunes
one came with the GTS and had a higher redline for launch control the other was an updated version for the CRT had slightly lower launch control. I have seen respected members say that the fastest is actually the stock tune for 0-60. I use the updated GTS tune as I find it most pleasant for daily driving. |
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05-26-2022, 06:53 AM | #49 | ||
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Quote:
The reference to 'X' flashes left refers to the space allocated for the software identification entries, different control units have different areas allocated for this information (for example, the DME has 64). This doesn't mean that you can't flash the DME 100 times or the DCT 100 times, it only means that this particular field can be written X amount of times. Writing that field is not required to flash the control unit. If using a tool that requires writing(appending) these fields, then it will fail flashing as a consequence of not having space in this area, but if i recall correctly, the write will be rejected prior to erasure of the flash if full. The field is of a fixed length and each entry in the field will take that fraction of the total if written in the first place. For example, if you have a space of 128 bytes for this field, and each flash appends 8 bytes to this field, 16 "flashes" would be allowed (w/ UIF writes). The E46 MSS54/HP and E39 are similar to MSS60/GS40 in terms of the allocation of a fixed amount of data for informational fields, but differ in terms of an actual flash iteration limit. Both of these things are mutually exclusive. To clarify this and illustrate opposing scenarios that could exist, you could have an E46 M3 that says it has 12 flashes left, when it has none, and a DCT M3 that says it has 1 flash left that could be flashed 20 more times. |
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06-19-2022, 02:18 PM | #50 |
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I did the same yesterday, and 7848442 feel better than my previous Alpine DCT tune which came with the car when I bought the car. everyone should try it.
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06-19-2022, 02:27 PM | #51 |
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I recently upgraded my 2011 E92 m3 software at the dealership to the latest one, it is E89x-21-07-550.
And all my tunes were erased. So I came here to find the procedure to do the GTS DCT tune. Before upgrade to GTS DCT tune ZB 7848442, winKFP shows my stock DCT ZB version is 7844978.
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10-01-2022, 07:58 AM | #54 |
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Because I have an exhaust leak before the cats that won't be fixed for a week and I've tuned up the car a lot, so I want to keep driving it. Also, when you flash the GTS tune you're biased that it's better.
I want to see if the updated regular tune is actually worse, because if it's not, the ASS feature I can use to save money on fuel. |
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10-01-2022, 11:10 PM | #55 |
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Fair enough on the fuel leak in the meantime. Long term, I think your fuel savings will be minimal and your starter or something else will fail early and break even.
In terms of bias, I try to be objective with all changes I've made to my car. Some are reversed, some are a sideways move and not worth the time/effort, others are great. DCT flash is solidly in the latter camp. I've put thousands of miles on stock software, Alpine DCT software, and GTS -442 tune, which is where I'm staying. YMMV The ASS button is the only button I have on the row below the radio. I purchased the button-free panel in order to ditch the button completely for a cleaner look, but never got around to it. |
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10-13-2022, 11:48 PM | #57 | |
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Second of all the starter is many times stronger on the ASS cars than the prior ones. Check RealOEM. |
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10-18-2022, 09:44 AM | #58 | |
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I would caution against the use of ASS, from both an engine wear and environmental standpoint. A good deal of engine wear occurs during startup as oil pressure to the bearings isn't great. Both rods and mains. I think it's far more carbon intensive to rebuild or replace an engine than to just let it idle at stoplights. One of those counterproductive regulations IMO. Similarly, almost all cars are turbo now because they pass the EPA tests much more easily, but if you don't do a lot of highway driving and you're driving hard or doing city driving, MPG is pretty similar. I get better MPG than my mother's VAG V6tt / Macan GTS. The newer engines like the B58 have a coating on either the upper or lower bearing, I forget, which is supposed to help with this issue. Ours don't have that. |
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10-18-2022, 11:39 PM | #59 |
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How can I go about checking what version my DCT has?
I’d imagine is probably 7847868 Stock US cad. I tried using INPA but for some reason it just doesn’t connect. I can connect with everything else tho like winfpk, ncsexpert and prob other tools as well Mine starts up in manual mode and s2. If I move the stick over again it sets it to (D and s5) Last edited by asma123; 10-18-2022 at 11:52 PM.. |
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10-22-2022, 11:10 AM | #60 |
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FYI fellas, I flashed ZB 7848442 (updated gts tune) 5 - 6 years ago on my car. Here's how the software version looked in INPA as of yesterday before I changed it to ZB 7847869 which is the updated Euro Flash.
I don't have a screenshot of the after, but all of the version numbers are much higher. ei. v12 instead of v11. I want you to know that the 69 shifts really well and it's probably worth trying these tunes again. I'm betting significant improvements were made after the F30 M3/M4 cars launched. Also, I got Auto Start Stop working again. Here are the problems I had with that feature. Heads up. Just because you code 60_agm doesn't mean CAS will accept it. |
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08-04-2023, 04:48 AM | #61 | |
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the EURO SPEC CARS STARTS IN D! |
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08-05-2023, 03:26 PM | #62 | |
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Since this thread came up the other day - Today, I uploaded the 7847869 (Euro?) file and went for a quick drive. No bueno. I can see what you mean about the theatrical aspect of it, but driving in S6 is made it feel sedated. For spring/summer/fall weather, I have my m mode set to DSC off, and S6 which I normally drive in unless its raining or if traffic is bad, I'll knock down to S3. Rarely do I ever drive in auto. I havent tried the CRT file, but I imagine it's a little softer / smoother since the car is a 4 door and intended to carry passengers. |
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09-17-2023, 01:24 AM | #63 |
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Just since there appears to be a lot of confusion in this thread about which ZBs are from what model/locality:
7847868 = current euro DCT flash 7847869 = current US DCT flash 7848442 = E90 M3 CRT DCT flash 7845773 = E92 M3 GTS DCT flash |
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