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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > ///M2 2017 dyno'd with Dinan Tuner Stage 1

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      01-24-2017, 04:51 PM   #23
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Quote:
Originally Posted by SeanWRT View Post
The instrumented test is the most difficult thing you will want to do to measure performance delta unless in a perfectly controlled environment. There are many variables to lead you to wrong conclusion.

And I honestly do not think comparison test you made to TTRS make much senses even if it's properly performed. Reason is simple: different gear ratio plays too big part in 40-60 short pull. You'd be much better do a 60-120 start from highest gear. And one of my M2 buddy already did just that on JB4 map 1 (+4psi, Dinan Sport Tuner equivalence) and map 2 with his otherwise stock car. The result is 9.5 sec on map 1 and an astonishing 8.8~9.0 on map 2. Ambient temperature being 10 degree Celsius or 50 F. Fortunately, he was early enough to realize map 2 is the suicidal map for stock car.

The best thing to measure improvement for OP right now, is simply to re-dyno his car on and off, with everything correctly set.
I hear you and agree in part. However, it's more about an indication of performance not actual. If the times are faster in tune than stock then it's an improvement,how much, well that's why I use the benchmark vbox numbers of the Audi ttrs vs M2 same gear same pull.. Hell if I get close or better then great I know I must have something that is working.
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      04-19-2017, 08:57 AM   #24
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Thanks for this. Keep us posted with any updates.
Also, is stability/traction supposed to be turned off in general for dyno runs?
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      06-01-2017, 09:59 PM   #25
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any updates, OP?
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      06-02-2017, 03:48 AM   #26
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Thanks! How much does the roughly 20 Hp cost?
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      06-14-2017, 12:04 AM   #27
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Just thought I would throw in my 1 cent; I had the Dinantronics Tuner Stage 1 installed last week on my 2017 BSM 6spd. I did not install anything else other than the tune / Dinantronics unit. There was an increase in what is already outstanding smooth power output in the mid range; the increase was noticeable, but not a big change. I am running 91 octane at this point and am happy with the results....for now!!!
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      06-14-2017, 12:11 AM   #28
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Quote:
Originally Posted by Saanen View Post
Just thought I would throw in my 1 cent; I had the Dinantronics Tuner Stage 1 installed last week on my 2017 BSM 6spd. I did not install anything else other than the tune / Dinantronics unit. There was an increase in what is already outstanding smooth power output in the mid range; the increase was noticeable, but not a big change. I am running 91 octane at this point and am happy with the results....for now!!!
Thank you for the feedback
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      07-01-2017, 12:47 AM   #29
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...update...now running 93 octane (not easily done here in California)...and now 1/2 tank in I think it has adapted and there is even more power there. The power is still predominantly in the midrange...gotta say, with the 93 octane this Dinantronics Stage 1 is pretty sweet...next month is window tinting and then on to the intake.....hmmmmm.
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      07-01-2017, 10:30 AM   #30
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Quote:
Originally Posted by Saanen View Post
...update...now running 93 octane (not easily done here in California)...and now 1/2 tank in I think it has adapted and there is even more power there. The power is still predominantly in the midrange...gotta say, with the 93 octane this Dinantronics Stage 1 is pretty sweet...next month is window tinting and then on to the intake.....hmmmmm.
If I recall correctly, Dinan_Engineering stated there's a 20-30% increase in power using 93 over 91 with their tunes.
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