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Drivetrain rev limiter style

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Old 07-31-2011, 04:10 AM
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rev limiter style

Can the "style" of the rev limiter in the R56 be altered? I guess youll wonder what do i mean about the "style"? Well i do remember that in my mini when the revs would reach 6.500 and the limiter would be put in use, it would cut them "agressivelly"/instantly (the revs) and try to raise it back again and cut it again and raise it back and so on. That would be style no1.
The other style would be to just make the revs to stop at 6.500 and not have any back n forths, just freeze them at 6.500 where the limiter would be. This would be style no2.

Im 99% certain that my mini had the 1st style limmiter which as i said would be shutting down and raising back n forth the revs. But yesterday after a techguy plugged in my OBD port an iPhone and made some checks well now the rev limiter has changed to style no2. Revs would just freeze at 6.500.
Its very strange but is this something that can be changed using the OBD port just for making calculations?
 
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Old 07-31-2011, 05:43 PM
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My 08 has always been #2
 
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Old 07-31-2011, 10:11 PM
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my r56 and r53 were both no2
 
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Old 08-01-2011, 10:59 AM
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The rev limit should just peak and hold. Since both the R53 and R56 are 100% controlled by the ECU, in terms of throttle, spark and fuel, it can basically say I don't care where your foot is on the peddle I'm gonna hold revs at X amount.
 
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Old 08-01-2011, 01:10 PM
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i dont know if im mixed up (cause im almost positive that my R56 had the 1st case) or something has changed through the OBD port or some other way
 
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Old 08-01-2011, 11:18 PM
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Originally Posted by genik
i dont know if im mixed up (cause im almost positive that my R56 had the 1st case) or something has changed through the OBD port or some other way
if your car is auto it might kick back at redline. I cannot remember 100% for sure.
 
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Old 08-01-2011, 11:30 PM
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no its not auto
 
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Old 10-18-2011, 08:54 AM
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The ignition cut while in neutral is different then when in load if i am not mistaken no?

Any insight Mike?
 
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Old 10-21-2011, 09:00 AM
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Originally Posted by Bigprfed22
The ignition cut while in neutral is different then when in load if i am not mistaken no?

Any insight Mike?
TBH I can't remember. I rarely redline a car off load.
 
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Old 10-21-2011, 09:35 AM
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Lol good man... great answer(im being serious)
 
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Old 10-21-2011, 01:09 PM
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Originally Posted by Bigprfed22
The ignition cut while in neutral is different then when in load if i am not mistaken no?

Any insight Mike?
The soft rev limit holder, (ignition cut) is the same, either in neutral (no load) or driving (loaded)
 
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