01-17-2015, 05:47 AM | #111 | |
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01-17-2015, 08:15 AM | #112 | |
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If the DME has been in the car for more than 10 hours of driving, the timelock will prohibit coding the Alpina speedlimiter, same as it prevents coding from a 523i to a 530i spec on the N53B30. Tuners have now cracked the 10 hour timelock and are able to code a 523i to 530i spec via esys and also add the Alpina speedlimiter. The previous option was to buy a brand new DME and code that... |
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01-17-2015, 09:43 AM | #113 |
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01-17-2015, 12:03 PM | #114 | |
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01-17-2015, 05:53 PM | #115 | |
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Here are some more runs from my car. The ones revving out to 7k rpms were tune only in 4th gear which is reads lower as you know. Still seems like my power doesn't die off at 6k. But I'm not Martin Musial so educate me https://m.flickr.com/photos/gregdc/15071582889/ Last edited by Timberwolf; 01-17-2015 at 06:01 PM.. |
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01-17-2015, 10:23 PM | #116 | |
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01-18-2015, 06:59 AM | #117 | |
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01-18-2015, 10:07 AM | #118 |
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Sure, maybe we meet up half way? Would be happy to.
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01-18-2015, 01:54 PM | #120 | ||
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01-18-2015, 02:35 PM | #121 |
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01-18-2015, 04:03 PM | #122 | |||
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01-18-2015, 07:56 PM | #124 |
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01-19-2015, 03:16 PM | #125 |
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Why wouldn't they use 5th which is closest to 1:1 ratio. Without topspeed limiter it's the best bet. My runs were cut off cause of that.
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01-19-2015, 09:38 PM | #126 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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Nice - just read the entire thread. The slower onset of torque is probably better as having all 600ft-lbs at 3K RPM as I have now makes the car misbehave (and risk detonation).
The turbos are definitely maxing out - the factory DME appears to pull back boost at higher RPMs. Maybe 700whp+ is possible with the upgrades turbos and the supporting tune. Question I can think of: 1. Is this 91-octane compatible (for us CA daily drivers). I run 2.5psi JB4 now and no issues (over 600whp and 600ft-lbs torque) 2. Can maps be switched on the fly for 91, 95 and maybe 100 octane? Say M2 button :-) 3. OR - can a 93-octane tune be used and the car just adapts down or up based on fuel type? 4. With upgraded turbos, is running the cats (AMS hi-flow cats) compatible? 5. Any warranty? 6. Does running the tune negate the power characteristics of the CP model and makes all F10 M5's equal power-wise? 7. At what point does the stock fuel system max out? Can the car actually make 700-750whp on the factory plumbing/pump etc? Definitely interested in the Alpha-9 package! |
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01-19-2015, 10:20 PM | #127 | |
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http://www.br-performance.be/en-be/c...1/4796-f10-m5/ http://www.br-performance.be/en-be/c...5-competition/
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01-19-2015, 10:29 PM | #128 |
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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Your links indicate that the realized power gains are the same post-tune irrespective of CP or regular.
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01-19-2015, 10:37 PM | #129 |
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That's right..even the 30 Jahre 600hp model gets upgraded to the same power gain.
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01-20-2015, 04:06 PM | #130 | |
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Looking at your dyno graphs that are plotted vs. speed these are all done in 5th gear it looks like, hitting the Speed limiter just under 155mph on all the runs (which is 6200rpm in 5th). Our dyno graph in 5th gear cut off at 6200rpm does not drop off either I just did some more runs on the M5 and tweaked the tune a bit. Brought in a little more boost down low (more torque) and tried to run more boost up top, and it just won't. i can log requested boost by the ECU and see that at around 5500 rpm the actual boost can't maintain what the ECU is requesting. The turbochargers are maxed out at this point. We made some more power in 4th gear with the newest tune I did, and I ran the car in 5th gear because the car will make more power under more load, which it did. Anyways I'm still tweaking it and finally back on the ECU (I haven't had time since i was tuning a few cars for a race this weekend, about 3800hp combined between 2 cars!). Will keep you all posted on the results. Martin Musial |
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01-20-2015, 07:16 PM | #132 | |
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