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06-22-2020, 01:24 PM | #45 | |
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I believe you can code 'ZCP' ABS parameters, maybe there's such a thing as GTS/CRT ABS coding. I'm not an expert |
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06-22-2020, 01:33 PM | #46 | |
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Edit: To clarify about the GT4 ABS. You can send out your current ABS ECU to be coded or have one that's precoded sent to you. But either way, you'll need to take out you're existing ABS unit and replace it with either a new one that's has the GT4 ABS map on it or your own once you get it back with the upgraded ABS map. Unfortunately it's not nearly as straight forward as uploading a new tune onto the car. |
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06-22-2020, 01:49 PM | #48 | |
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Install sounds like a PITA but similar to the E46... this is interesting |
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06-22-2020, 01:55 PM | #49 | |
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Perhaps it can 'technically' be coded, but it cannot be done remotely from everyone I've talked to - hence why it's such a PITA and why almost no one has done it. Everyone I've spoken to either sends you a new ABS unit with the GT4 ABS included or you send them your current ABS module (including the ECU) and they 'upgrade' it (whether that's replacing or coding) the GT4 ABS map onto it. It's quite a bit cheaper then going to a full motorsports system but I'm not sure how the two would differ in performance. |
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06-22-2020, 02:10 PM | #50 | |
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06-22-2020, 02:11 PM | #51 | |
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In regards to the DCT and downshifts...I've been having the same issue. When I brake at the 2.5/3 marker into turn 1 and I downshift...doesn't give me the down shift at all in high RPM...gives it to me after I click again and obviously the RPM is lower. It's annoying and most of all frustrating. I believe it has all to do with me running slicks, BBK, and high Gforces. The factory ABS/Computer computes it as "safety/potential hazard/accident" That's what I feel. These factory computer systems aren't meant for going 10/10ths at the limit. So I've been on a hunt to solve this myself. You come up with something? Oh and my tune is ESS...been running it for years. |
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Hoosier_M377.50 Chavey4.50 |
06-22-2020, 03:34 PM | #52 | |
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06-22-2020, 04:30 PM | #53 | ||
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06-22-2020, 05:53 PM | #54 | |
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Don't say that! What else have you tried? btw when are you next at LRP? I'll be there the next 2 weekends... |
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06-22-2020, 05:57 PM | #55 |
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Also to my above point, is anyone running motorsport ABS? It looks like you can just order the new ECU from Germany for around $1k and be good to. I know very little about this and am going to look into reprogramming the existing ABS system as well.
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06-22-2020, 06:27 PM | #56 | |
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You do the regular fill procedure but with the car tilted |
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06-22-2020, 07:02 PM | #57 |
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One of the things I noticed after getting coaching was how much less brake my coach used over me. In several places at LRP and WGI, his brake pressure would be almost 1/2 of mine. In some cases, he would brake sooner but softer and roll a lot more speed. I'd personally spend my money on other mods than upgrading ABS. Albeit I am in an E46 M3 with stock Mk60 DSC/ABS.
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06-22-2020, 07:26 PM | #58 | |
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True motorsports ABS systems are solely designed to handle the increased brake performance from running slicks and allow very slight amounts of locking (most will have numerous ABS maps) before intervention to optimize brake performance. For r-compound tires the stock MK60 system is very good and even with hard compound slicks works well. I fully agree with ThunderMoose that your money is likely better spent elsewhere. If you happen to be in the 1% and won't be running either r-compounds or hard compound slicks and will be using a soft compound slick I would still see how the stock system handles it before upgrading immediately - otherwise I'd leave it as is. |
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06-22-2020, 08:36 PM | #59 | ||
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Totally random but I've read through some of your posts/videos and I've actually met your instructor a few times. I know his brother pretty well. It's a small world... Quote:
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06-22-2020, 09:00 PM | #60 | |
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Scott helped me the most in turn 1. I was really braking hard there as well when we started. But eventually he got me to go from a max long G of -1.32 to -1.23. He was at -1.16. I gained nearly a second in big bend by braking lighter. But that definitely is the hardest braking zone. I looked through my data and looks like Road Atlanta turn 10 and VIR Turn 1 are the hardest braking zones of tracks that I have run - -1.4 long G's! |
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06-22-2020, 09:50 PM | #61 | ||
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I tested my car with R comp tires and the shifting was there, did everything I told it to but I was relatively slower around the track but...car felt good. Swapped to slicks and it was a different ball game when it came to the ECU. Really want to find a way to get this sorted out but...do we spend the $$$ on a Motorsport ABS system? We should get a hold of FALL-LINE. They run some seriously built e92's and I'm sure they have an answer. |
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06-23-2020, 08:46 AM | #62 | |
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http://www.mk-motorsportteile.de/epa...e-ABS%20e92%22 |
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06-23-2020, 12:36 PM | #63 | ||
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06-23-2020, 01:04 PM | #64 | |
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"Optimized ABS and DSC software for racing and track use Optimization on the race track use Optimization on slicks and semislicks Optimization for larger brake systems The optimization can be flashed on the serial ABS / DSC controller OEM GT4 software for the M3 e9x Please ask for this." The "serial controller" comment seems to imply that it won't require a separate ABS unit? |
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07-02-2020, 12:28 PM | #65 | |
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Still might consider it in the future but it could be a long turn around time sending it to Germany. |
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Chavey4.50 |
10-12-2021, 12:05 AM | #66 |
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Hey guys new to the forum but just thought I would add here that you absolutely can reflash your abs ecu in a couple different ways with either the GTS program or a full customised motorsport setting to take in to account your unique mod list (specific weight tyre sizes ect.)
Douglas at Racing Harness Technologies in the states has been helping me retro fit the earlier mk60 with motorsport functions to my R32 GTR which is a great deal harder to do than getting it working in our M3's. |
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