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      03-31-2007, 11:14 AM   #1
rotax
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New BMW Dynamic Peformance Control in M3 ?

Since the D/Z SG transimisison is headed our way, I was wondering... While BMW is making the M3 the technological Tour De Force what else we might see.

http://www.worldcarfans.com/news.cfm...trol-in-detail

Does anyone else, of the pro-SMG crowd, think that the D/ZSG tranny matched to an X-Drive with Dynamic Performance Control (all with on/off switches for burnout fun) would be a good match for 420hp ?
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Last edited by rotax; 03-31-2007 at 11:31 AM.
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      03-31-2007, 02:17 PM   #2
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the technology sounds amazing. i would love to see it rear its head in the M3 in the classic real wheel drive iteration... but i can say with almost complete certainty that we wont be seeing the M3 with an X-drive drivetrain... and as such we won't be seing the dynamic performance option in the configuration you've mentioned. M's advocacy of rear wheel drive is an ideal they've never strayed from, and if they were to ever introduce that technology on the M3 it certainly wouldn't be in the e9x series given the already big departure from i6 to v8... the two in combination might be too much simultaneous deviation in the eyes of M enthusiasts.
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      03-31-2007, 04:03 PM   #3
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Xdrive would be way too heavy for an M car. 200-300lbs for sure.
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      04-01-2007, 03:38 AM   #4
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There will be an M version of the X6 in a couple of years.
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      04-01-2007, 06:08 AM   #5
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Quote:
Originally Posted by mofomat View Post
There will be an M version of the X6 in a couple of years.
1) what is this elusive x6 you speak of? you sure you didn't just make it up?

2) what exactly is your source of this never-before-heard-of news?

aprils fools joke let's hope.
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Last edited by esquire; 04-01-2007 at 07:02 AM.
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      04-01-2007, 07:17 AM   #6
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Quote:
Originally Posted by esquire View Post
1) what is this elusive x6 you speak of? you sure you didn't just make it up?

2) what exactly is your source of this never-before-heard-of news?

aprils fools joke let's hope.
I got your back MOFO, esquire Here you go:

http://www.xbimmers.com/forums/showthread.php?t=48339
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      04-01-2007, 07:34 AM   #7
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monsta... since you got mofos back, you should also corroborate his X6 M story.
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      04-01-2007, 08:16 AM   #8
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Quote:
Originally Posted by esquire View Post
monsta... since you got mofos back, you should also corroborate his X6 M story.
did you click on the link? as of now there isn't much info about the X6 but from my understanding Mofo was repling to your thread that it wouldn't be introduced into the M3 but possibly into the X6 in the future since there might be a M version of that model & 200-300lbs won't be looked at so much in that model as it would on a M3....is BMW developing another SAV/SUV yes but its in its baby stages...a lot if info on it NO


btw thanks for reminding me its april fool I completely forgot, gotta watch out today...
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      04-01-2007, 01:32 PM   #9
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Thanks monsta.
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      04-01-2007, 03:40 PM   #10
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Quote:
Originally Posted by mofomat View Post
Thanks monsta.
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      04-01-2007, 04:09 PM   #11
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i actually did read the thread. in a tiny sentence fragment written by a no-name (as far as inside information goes) it's written that the v-10 M engine will fit inside the engine bay of the car. the person writing it cites no credible source, and not a single comment to corroborate was made therefafter,

even assuming the info, as speculative as it is, ends up being true... and i seriously doubt it will....its even more attenuated to assume that this mysterious M SUV will then also have a DSG transmission matched to the new Dynamic Stability Control system as mentioned in the OP.
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      04-01-2007, 04:51 PM   #12
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DPC can also work with RWD, not only with AWD. And can be applied to any BMW model!

Have you read: the system works like LSD!

Beside DPC another feature is coming: SCI (Selective Control Intervention) - it's a sub-feature of DSC.



Quote:

Selective Control Intervention

The xDrive four-wheel drive system, DSC electronic control system and engine control through integrated chassis management are combined for fast distribution of the drive torque in the longitudinal direction.
Meanwhile, further development of Dynamic Stability Control (DSC) has seen the introduction of Selective Control Intervention. During tight cornering it actively counteracts the tendency to understeer. This control intervention, which is also active when DSC is switched off, will initially be introduced from March 2007 in the four-wheel drive models of the new BMW 5-Series. Other models and model series from the BMW brand will follow.

If a vehicle tends to understeer when cornering, the current DSC system increases the braking pressure on the nearside rear wheel in order to generate a stabilizing yaw moment. That action remains identical on the new system, but now engine torque can now increased independently of the position of the accelerator. This can generate an additional stabilising torque of up to 500Nm.

The torque compensation when the engine is running at partial load contributes to increasing the precision of the steering manoeuvres, tracking stability and traction when cornering. This is because the system enables the car to respond faster to the course determined by the driver, and steering corrections are less frequently required. The vehicle follows the path of the curve at constant speed despite the stabilizing braking intervention.
So, when xDrive is combined with DPC & DSC + SCI features you get a Dynamic xDrive: system which is able to apply torque to any of four wheels variously & independently.



Something similar to Honda's SH-AWD system yet lighter, more advanced & more efficient.


PS: yes, X6 M is coming with S85 V10 engine, and "M xDrive" (upgraded Dynamic xDrive).
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      04-02-2007, 01:10 AM   #13
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Quote:
Originally Posted by GregA View Post
DPC can also work with RWD, not only with AWD. And can be applied to any BMW model!

Have you read: the system works like LSD!
But I don't see any advantage over the mechanical M LSD on a RWD car! Is there any? I could imagine this solution would just add more weight to the car!?

Best regards, south
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      04-02-2007, 08:00 AM   #14
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Quote:
Originally Posted by southlight View Post
But I don't see any advantage over the mechanical M LSD on a RWD car! Is there any? I could imagine this solution would just add more weight to the car!?

Best regards, south

Everything is written in the press release:

The special highlight of this unique development by BMW is that for the first time this system is able to actively distribute drive forces in the overrun mode and with the clutch disengaged. As a result, Dynamic Performance Control is suited for both standard and all-wheel drive.

This effect is comparable to that of a limited-slip differential.


A big advantage of this system compared with other concepts is that the distribution of lateral forces is masterminded not only under load, but also in overrun or with the clutch disengaged. Wherever there is no need to re-distribute the drive forces, the two planetary gearsets in the axle housing will run as one unit, meaning that the gears remain disengaged, the axle drive system operating like a conventional differential. And with the multiple-plate brakes in the axle drive remaining open, any losses are limited to the friction generated by the additional bearings and seals.


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