M4 Engine Dynamics Control... what is is REALLY doing?

[smckenna]

I've read the manual on pages 72 & 80 over and over, but all I see are a lot of vague adjectives describing the effects of using the button's 3 settings, but not any explanation about what it is mechanically doing.
I really like the way the SPORT PLUS position feels (very perky throttle response) and would like to drive it in this mode ALL of the time. However, I don't necessarily want to gobble gas and only get 12MPG because of it. I have read where some people say that it only affects the depth that your foot has to travel to get acceleration, but other people say that it also opens up some additional fuel jets in the carburetor to enrich the mixture (which would indeed start gobbling more gas).
Does anyone know the answer of what these settings are MECHANICALLY doing?
Thanks!

[pdramarocks]

Anyone who told you it adjusts the carburetor should probably be ignored...

[Tony_YYZ]

Originally Posted by pdramarocks

Anyone who told you it adjusts the carburetor should probably be ignored...

lmao

[Canyon_Dancer]

Join date would suggest that he isn't a troll, but these threads.............

[Wes Howell]

hahahahahahahahaah


I really like this thread.

[kiloil]

No carburetors my friend, it is the same as the sport button was on E92, just changes the throttle sensitivity. Just plant your foot to the floor.

[bdoooh]

Lol @ carbs.

Sport & sport+ enable the anti-lag tech by keeping the turbos spooled with the wastegates closed though from what I read in those technical interviews.

[voodoogeek]

also the flaps in the exhaust are affected, opening up earlier? would this consume more fuel?

[jtodd_fl]

In Sport+ mode 1.2 Gigawatts is directed into to the Flux Capacitor.

[M6-Coupe]

Originally Posted by jtodd_fl

In Sport+ mode 1.2 Gigawatts is directed into to the Flux Capacitor.

lol

[myzmak]

Originally Posted by jtodd_fl

In Sport+ mode 1.2 Gigawatts is directed into to the Flux Capacitor.

but only once 88 mph is achieved, right?

[Slow///1]

Originally Posted by jtodd_fl

In Sport+ mode 1.2 Gigawatts is directed into to the Flux Capacitor.

This is ridiculous. Everyone knows the M3 doesn't have room for a flux capacitor with its carburetors in the way!

[jtodd_fl]

The other part has to do with the differential. I asked an expert and here is what she had to say (I am providing an actual transcript of our conversation):

Mona Lisa Vito: It's a limited slip differential which distributes power equally to both the right and left tires. The '64 Skylark had a regular differential, which, anyone who's been stuck in the mud in Alabama knows, you step on the gas, one tire spins, the other tire does nothing.
[the jury members nod, with murmurs of "yes," "that's right," etc]
Vinny Gambini: Is that it?
Mona Lisa Vito: No, there's more! You see? When the left tire mark goes up on the curb and the right tire mark stays flat and even? Well, the '64 Skylark had a solid rear axle, so when the left tire would go up on the curb, the right tire would tilt out and ride along its edge. But that didn't happen here. The tire mark stayed flat and even. This car had an independent rear suspension. Now, in the 2014, there were only two other cars made in America that had positraction, and independent rear suspension, and enough power to make these marks. One was the Corvette, which could never be confused with the Buick Skylark. The other had the same body length, height, width, weight, wheel base, and wheel track as the '64 Skylark, and that was the 2014 BMW M4, only if the M Dynamic Buttons are pushed.