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05-10-2012, 07:36 PM | #221 |
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Does the dynotesting above show that the 231E software is just as good as an Evolve tune on older software, or alternatively that an Evolve tune does nothing on 231E software?
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05-10-2012, 07:38 PM | #222 | |
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05-10-2012, 07:38 PM | #223 | |
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I guess that's a good thing, I'd want the factory calibration to be as strong as possible. Thumbs up to BMW for making such a vast improvement on the later versions as compared to the earlier ones.
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05-10-2012, 07:46 PM | #224 |
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I got an '08. I have been bugging my local dealer to do the update forever and they wouldnt do it. Ive complained about everything you can imagine with no luck. So finally i went to my service adviser and told him look, my car dynod at 320hp - my car is weak! All the 11s and 12 dyno 350hp+. Slipped him $60 and he said ok ill ipdate it for you.
Got my car back today, yes the dct shiftig feels slightly different. Seems theres a slight lag from when you press the peddle to the actual shift, but when it does shift- it seems to shifter hardwr/faster. The car feels like its got a little more torque on the low end but i cant tell untill i go back on the dyno. The biggest surprise? My edc is stiffer now on full sport + setting. This is something i have bot read about on the forums so it was a total shock to me driving home. But man i am loving sport mode right now. Feels like i got new shocks all around!! |
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05-10-2012, 08:00 PM | #225 | |
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I have always tipped my guy when I receive great service. Just a token of appreciation. I'm not surprised about the EDC change. When my car was updated awhile back it was obvious to me that some line pressures were changed in the braking system, and the brakes felt much firmer and had a better feel. So updates do sometimes address a few things that normally go unnoticed.
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05-10-2012, 08:17 PM | #226 | |
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Figured since I see lots of free opinion flying around, I was free to comment on my good experience with Tom and EAS. I personally have no reservations about having my car coded by EAS and their Autologic tool, I actually have to remember to contact EAS about possibly getting an MDM Euro-edition update so I can try it out on the track. I love trying out new things on the track. Last edited by LateBraking; 05-10-2012 at 08:29 PM.. |
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05-10-2012, 09:21 PM | #227 | ||
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I'm glad it works for you. I would prefer the use of the dealer tools as opposed to the Autologic if they are available. That's just personal preference I guess. You're awfully defensive about it though. |
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05-10-2012, 09:51 PM | #228 |
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Forgive my ignorance since I don't know coding, but whether you use OEM or AutoLogic or Made in China or whatever, what they do is the same thing right? According to those E90post guys, the options they access are actually in the car itself and it just turns things on and off right? It's not like, say, "installing a computer program on a computer", so like, rewriting the program inside, just simply changing on to off and off to on? If so, what's the significant differences between each of the tools? Is it just that they all use different means to approach the same solution?
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05-10-2012, 10:01 PM | #229 | |
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05-10-2012, 10:30 PM | #230 | |
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A software question if I may, I always thought that tuning was reprogramming the car with a whole new map, but is it actually just adding changes/corrections that stack onto the pre-existing map? So like, is the newer 231E stock tune just so improved that it's near a tuned 2008's performance? Or does tuning a 2008's ECU cause a different result than tuning a 231E programmed ECU? Like I see on M3PO's dyno chart that he has multiple runs, including stock 2008 and 231E, then Evolve tuned 2008 and 231E. Does that mean he had a Evolve tuned 2008 map and a Evolve tuned 231E? Or does that mean that the Evolve tuning is the "same" in each instance and the difference is in his 2008 map and the 231E map? Hope my question makes some sort of sense, maybe Evolve can chime in. Last edited by LateBraking; 05-10-2012 at 10:52 PM.. |
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05-11-2012, 12:31 AM | #231 | |
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To answer your questions: There are many 'maps' in every factory calibration. The file sizes for all software versions are exactly the same. There is the same amount of 'data'. The 'data' area in the M3 is 128KB, and the full Program plus data (calibration) area is just over 5MB. Granted a portion of these areas are filled with FF (filler) values to maintain the proper file size. When you get a software tune, specific maps are modified based on what the tuner wants to do. There are maps for fueling, timing, vanos, knock sensitivity, etc... Expanding on this further there are part throttle fuel maps, full throttle fuel maps, timing aim maps at part throttle, timing at full throttle, etc... There are tons and tons of maps - I would be here all day if I listed them all. The OP started with 100E software which is factory BMW software. Sal tuned it, and gained some power by modifying these 'maps'. Then the OP had newer 231E software fitted, which is also factory BMW software. There was a serious power gain between this and the old version. In fact, the gain was greater than with what was gained from the 100E software with the modified 'tuned' maps. The final stage was modifying the 231E software to include the 'tuned' maps. Now, between software versions (at least the later ones as I have no reason to poke around in 80E or 100E and would never use these as a base for a tune) it appears that the map data is the same for the most part. This means that the NON map locations in the DME (meaning the actual program code or 'operating system' per se) of the DME was most likely modified by BMW between versions. The gain that was had could be directly attributed to such changes. 231E might simply be harder to extract power from, because it's a much better starting point than previous versions. It makes more power to begin with, modifying the maps in the same way doesn't appear to achieve the same gain. I hope this clears up any confusion, let me know if there is anything else I can help clarify. I tried to simplify the explanation as much as possible.
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05-11-2012, 12:12 PM | #232 | ||
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05-11-2012, 12:40 PM | #233 |
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Gotcha. And thank you Mike for the explanation, so basically Evolve changed the maps, and that map change was the same, and BMW made changes that made power, which were not map-related. I'm still slightly confused on how that works, but no need to explain further, I'm sure that if someone had to explain it in-depth we'd be here for months.
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05-11-2012, 12:44 PM | #234 | |
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05-11-2012, 02:53 PM | #235 | |
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You attempted to discredit a tool you don't have experience with and making it sound inferior. "Autological thing". I'm not the type to want to get into an argument over the internet, however discrediting a great tool without merit isn't helpful. Back on topic.
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05-11-2012, 03:01 PM | #236 | |
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05-11-2012, 03:14 PM | #237 |
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Does anyone know if BMW got rid of the seatbelt for DCT, i hate the fact i have to put on the seat belt before it will go into gear if i have to move the car out of the garage really quick.
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05-11-2012, 04:37 PM | #238 |
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05-11-2012, 04:40 PM | #239 |
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Some forum members mentioned that BMW fixed this a bit after it was introduced.
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05-11-2012, 05:22 PM | #240 |
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Thanks for the update, i need to take my car to the dealer soon!
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05-11-2012, 05:22 PM | #241 |
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05-11-2012, 07:39 PM | #242 |
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This actually has nothing to do with 231E, but the DCT transmission software that is loaded. Dealers loading 231E should theoretically be flashing the latest DCT version which contains the fix - but an independent facility would have to manually update both if they don't flash the entire car with the latest versions.
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