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12-25-2012, 11:31 AM | #1 |
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M Mode vs Non M mode
I went to the Dyno the other day and I wanted to see if there was any power difference in M Mode and Non M mode. I was very surprised to find out there was not any power difference. The power curves were nearly identical and the only difference was at the top end where M Mode peaked 8 HP higher. I think this was only due to the driver keeping the throttle to higher RPM. I kind of felt disappointed after finding this out. Why does it feel like the car pulls harder in M Mode? Is the throttle response really that fooling? Does M mode only occur in lower gears? It just "feels" like once M Mode is engaged that the car unleashes like ~30% more power. Even when cruising and I just hit M mode the car feels like I just opened the door to a caged beast.
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12-25-2012, 11:43 AM | #2 |
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Doesn't M mode (MDM) only affect the DSC and how the car handles slips and throttle response and not power?
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12-25-2012, 11:44 AM | #3 | |
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12-25-2012, 11:51 AM | #4 | ||
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12-25-2012, 11:59 AM | #5 |
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yes if you hold your foot down farther there is more power. works the same with any car. bmw just gives you a button to do what your foot can more rapidly at any given throttle opening.
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12-25-2012, 12:32 PM | #6 | |||
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12-25-2012, 12:54 PM | #7 |
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In this instance, while M mode didn't add any peak power, it did add some power/torque on the low end to 3200 rpm (bottom of article w/graphs).
http://www.eurotuner.com/techarticle...7/viewall.html |
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12-25-2012, 12:57 PM | #8 | ||||
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12-25-2012, 01:13 PM | #9 | ||||
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I was just trying to share an experience that your personal perception of "feel" is not quite the same as reality power wise. The purpose of my Dyno trip was not to find this out, but to see how much power I was putting out with the G-Power. I just wanted to test and see if it was any different in M Mode while I was there. Who wants to sit there and read a boring ass manual when you can go and see for yourself? In your argument you are basically saying that one should never test any doubts that they have and just read a book that some else wrote. Sounds like sheep to me. |
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12-25-2012, 04:26 PM | #10 | |
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12-25-2012, 04:39 PM | #11 |
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12-25-2012, 04:58 PM | #12 |
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Just keep stomping on the throttle as hard as you can in hard quick jabs until you see daylight in the floor pan. Then there will be no limit on how far you can bury the throttle. Its called Super M Mode.
You'll get x100 hp... Or you could... or Merry Christmas!
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12-25-2012, 05:12 PM | #13 | |
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If you had originally posted that you were aware that in theory, the amount of power doesn't alter, but still feel that it does, and wanted to dyno to get a definitive answer, then that would be fine. But instead you posted your utter disappointment that the amount of power didn't change, which inevitably garners a "what did you expect" reply. Being genuinely unaware is one thing; being ignorant and then complaining is another. Last edited by mlhj83; 12-25-2012 at 05:19 PM.. |
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12-25-2012, 05:24 PM | #14 |
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Ok, sorry to share some information and to start a discussion. Myth Busters should have read a manual before they made a show about common misconceptions.
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12-25-2012, 05:29 PM | #15 |
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Are you saying that 8hp is attributed to M Mode? That's not a significant difference on ONE dyno to claim that the M Mode increases HP. Heat soak? Dyno operator? Could me many things.
I would have RTFM first before posting this...just a suggestion. Most here know what the POWER setting in M Mode does. I personally think is garbage because it takes a sensitive throttle setting and then it makes it even more sensitive. The throttle setting is a waste.
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12-25-2012, 05:44 PM | #16 | |
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No, I said that I think the 8 HP was due to the driver keeping the throttle to a higher RPM during M mode. Either way, it looks like nobody is willing to challenge the reasoning behind the "feel" of the increased power in M mode and accept all that is fed. I apologize for going against the norm .
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12-25-2012, 05:53 PM | #17 |
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OP, thanks for sharing what you found through your own dyno test. I for one appreciated it.
Every once in a while there are little things that make me go hmmm, and it was nice to have someone confirm and share an experience. Ignore the rest of the folks here that have nothing better to do than make you feel bad for sharing.
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12-25-2012, 07:53 PM | #18 | |
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You've told us nothing new.
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12-26-2012, 12:04 AM | #19 |
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Geez, tough crowd.
Throttle response versus input gives the impression observed as nearly everyone has explained.
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12-26-2012, 09:30 AM | #20 |
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its kind of like having a loud exhaust. you swear your making more hp just because you hear more going on. it feels faster because your senses are fooled into it by other stimulus.
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12-26-2012, 09:31 AM | #21 | ||
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