01-17-2019, 03:23 PM | #221 | |
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01-23-2019, 12:14 PM | #222 |
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01-24-2019, 10:59 AM | #224 |
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In my opinion, the turbo lag between shifts is pretty bad in the manual M2, which is a shame, especially compared to the DCT.
There is often a lot of talk comparing Manual to DCT and how the Manual is more involving and the DCT is boring, but I don't think that's the case at all. The Manual may be more involving, but there is absolutely no doubt that it's slower. I've tried several times to achieve the quoted 4.x 0-60, and I've never been able to get close, mostly because of the lag between shifts. Having said all of that, I have noticed more recently that if you shift well and let the revs go right out to red line, there is almost no appreciable turbo lag at all. If you shift at 5,500 you'll have lag, but shift at 7,000 and there isn't any. As for your question... In theory, overrun burbles could help with lag reduction between shifts, and with BM3 that is tunable. I'm not sure if it helps in practice, but I think it might. I seem to get less lag in Sport, Sport+ and DSC off than I do in Comfort.
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01-25-2019, 01:22 AM | #225 | |
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But imo I'm very glad I got the 6mt, if I got the dct I would be bored outta my mind, shifting with the paddles is so one dimensional that I get sick and tired of it I just leave it in full auto. Then it gets really stale overtime the car becomes boring on the street. On the track the dct will get better lap times and the focus on corners entry and exit and apexes will make it less stale, but as an overall experience balancing both track use and spirited driving on the street I couldn't imagine not having the manual.
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01-25-2019, 07:34 AM | #226 | ||
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M235i rwd 6mt
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01-25-2019, 04:13 PM | #227 | |
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Launching a manual car effectively take a ton of practice. The key is launching at a higher rpm, rolling out about 6", and then quickly letting out the clutch while feeding it gas. You've got to keep the rpms up above 3,500rpm the whole way. Launch too low and you'll bog. Launch too high or get too greedy with the gas or clutch and you'll roast the tires. When you feel the tires scamper with no bog, then you'll know you go it right.
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01-25-2019, 10:22 PM | #228 |
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@Nezil F87source
Try GFB DV+. The mainspring can hold as much as possible boost on throttle lift (for instance when shifting) that's otherwise completely let pass thru factory DV. Mine is a DCT which hold more than enough boost during shifting, so I didn't use the spring. But it's a significant help to 8at and MT cars. It's a 125 USD thing and I'm sure it will work for you.
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01-25-2019, 11:29 PM | #229 | |
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Yeah I'll grab one sooner or later and test it out. Thanks for the thought!
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01-27-2019, 02:04 PM | #230 |
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M2 Bm3 OTC stage 2: 370 whp
Stock m3 comp: 390 whp Same time on Mustang dyno. Both 6sp. Sorry no graph
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01-28-2019, 03:44 AM | #231 |
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My local dyno just had a stage 1 N55 M2 at 385whp and a stock M2C at 375whp.
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01-28-2019, 08:28 AM | #232 | |
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As far Stage 1 M2 385 whp, that has to be the strongest number in the world, no matter what dyno!
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17 m2: CSF Turbo FMIC, Fabspeed DP, BM3 Stage 2, VRSF Charge Pipe, Schroth quick fit, Vorshlag CC plates, Apex 18x10, BMS Clutch Stop.
Last edited by bi0hazard; 01-28-2019 at 08:39 AM.. |
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01-28-2019, 07:34 PM | #233 |
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01-30-2019, 12:53 PM | #234 | |
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Are you saying that with the main spring we should see some pretty good reductions in turbo lag between shifts for MT cars? If that's the case, why isn't it a more popular mod? I think we need the N20 model don't we? Maybe I can fit this without removing the turbo...
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Current Performance Mods: CSF FMIC, ER CP, Fabspeed Cat, Aquamist WMI, GFB DV+, NGK 97506, BM3 (Stage 2 93 OTS), CDV delete, UCP, M2C/M3/M4 Strut Brace, M3/M4 Reinforcement Rings |
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01-30-2019, 02:45 PM | #235 |
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Just jumped onto the BM3 bandwagon. So I far I did the DCT and STAGE1 upgrade. I am curious at what "special tweaking" others have done. I don't mean STAGE2 or 3.
What have people done with the BM3 editor. |
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01-30-2019, 04:13 PM | #236 | |
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01-30-2019, 09:12 PM | #237 | ||
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01-31-2019, 08:38 AM | #238 |
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01-31-2019, 11:43 PM | #239 |
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Stage1 can be ran on complete stock car or even with DP as well.
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02-08-2019, 07:38 AM | #240 |
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UPDATE:
V52 pushed out last night has a number of enhancement updates and fixes. We've changed some of the agent's connection handling with the car as dash starts, logs start/stop, leave/re-enter the dashboard screen, run diagnostics making things much more zippy. Sporadic issue that would cause a blank log on v50-v51 of the agent at times has also been been resolved. On the server we managed to also significantly speed up saving of map updates (e.g. map config save, saving changes in the table editor, getting OTS maps, sending map requests, etc). There was also a fix for the web/apps to the dashboard screen that at times on re-entry to the dashboard would show all the gauges stacked on top of each other. Web and Android updates are out already, iOS v52 should hopefully be out on the app store some time today (awaiting apple review since last night). ****NOTE: Ensure you update your OBD Agent to v52 released late last night. If using the WiFi device get the latest SD card image and restore as we've updated the agent 'updater' on it and here's a link to it: https://bootmod3.atlassian.net/wiki/...irmware+Update Previous versions of the agent will NOT update over the air as the location where updater gets the agent updates from changed. If using a laptop agent we suggest just downloading and reinstalling the latest from www.bootmod3.net/downloads even if you possibly got v52 earlier yesterday ****
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02-11-2019, 01:38 PM | #242 | |
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2018 ///M2 LCI, LBB, 6MT...
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