Autotalent
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read

Go Back   BMW M3 and BMW M4 Forum > BMW F80 M3 / F82 M4 Forum > M3 / M4 Photos and Videos

Post Reply
 
Thread Tools Search this Thread
      05-08-2012, 05:13 PM   #111
FogCityM3
Colonel
FogCityM3's Avatar
507
Rep
2,397
Posts

Drives: M3 (E90) & Porsche GT3 RS
Join Date: Feb 2012
Location: San Francisco

iTrader: (0)

Think your numbers are great guesses (just clicked the link after my post, so apologize for repetitiveness). Guess where we differ is whether constitutes a leap; at least in my view, would view as more incremental vs what happened with the E46 vs E99x, which I would characterize more as a leap. Thx for sharing.

Quote:
Originally Posted by swamp2 View Post
Those are somewhat imprecise terms. The peformance of the call over the existing model will be substantial due to its weight being about the same or a bit less with a lot more power. Have a look here are my "ancient" predictions of the cars performance. Link.



A DCT is good for an amazing amount of "equivalent power". Probably at least 50 or so hp. The equivalent power simply comes from nearly instant shifts (not from any ratio magic or lower losses, etc.). Thus the race of an E60 M5 with M-DCT compared to an F10 M5 with a manual transmission could indeed be a close race. However, DCT vs. DCT would still have the F10 as the hands down winner.



I firmly disagree with this. More marketing mumbo jumbo...

Just like the highly functional side vents on the E9X M3. Just like the highly aerodynamic rear bumper cover styling on the E9X M3. Just like the Powerdome (or whatever BMW like to call it) on the E9X M3. There is plenty of function over form at BMW and that is good, however, there is plenty of form over function and when it comes specifically to body styling form rules over function.
Appreciate 0
      05-08-2012, 08:41 PM   #112
swamp2
Lieutenant General
swamp2's Avatar
United_States
640
Rep
10,404
Posts

Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

iTrader: (3)

Quote:
Originally Posted by mhabs View Post
Think your numbers are great guesses
Not at all. My guesses are based on some guessing for weight. However, they are totally educated guesses and are inline with the conclusion of many that the new M3 will be about the same weight or possibly lighter. From there the 450 hp is also a very reasonable "guess". From there out it is just physics (physics based simulation) and regression (for lap time) as to what level of performance will be obtained. So some educated guesses combined with physics based simulation. I don't call that "guesses".
__________________
E92 M3 | Space Gray on Fox Red | M-DCT | CF Roof | RAC RG63 Wheels | Brembo 380mm BBK |
| Vorsteiner Ti Exhaust | Matte Black Grilles/Side Gills/Rear Emblem/Mirrors |
| Alekshop Back up Camera | GP Thunders | BMW Aluminum Pedals | Elite Angels |
| XPEL Full Front Wrap | Hardwired V1 | Interior Xenon Light Kit |
Appreciate 0
      05-08-2012, 10:05 PM   #113
FogCityM3
Colonel
FogCityM3's Avatar
507
Rep
2,397
Posts

Drives: M3 (E90) & Porsche GT3 RS
Join Date: Feb 2012
Location: San Francisco

iTrader: (0)

guesses or educated guesses, to the nearest decimal point, whatever...power and weight are assumptions nevertheless. funny how one can reach the same conclusions (before I clicked on your link) just by looking at performance of what's already out there (M5 and M3 DTM CRT) and connect dots quickly with logic and minimal effort or intellectual snobbery.

Quote:
Originally Posted by swamp2 View Post
Not at all. My guesses are based on some guessing for weight. However, they are totally educated guesses and are inline with the conclusion of many that the new M3 will be about the same weight or possibly lighter. From there the 450 hp is also a very reasonable "guess". From there out it is just physics (physics based simulation) and regression (for lap time) as to what level of performance will be obtained. So some educated guesses combined with physics based simulation. I don't call that "guesses".
Appreciate 0
      05-10-2012, 02:42 PM   #114
swamp2
Lieutenant General
swamp2's Avatar
United_States
640
Rep
10,404
Posts

Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

iTrader: (3)

Quote:
Originally Posted by mhabs View Post
guesses or educated guesses, to the nearest decimal point, whatever...power and weight are assumptions nevertheless. funny how one can reach the same conclusions (before I clicked on your link) just by looking at performance of what's already out there (M5 and M3 DTM CRT) and connect dots quickly with logic and minimal effort or intellectual snobbery.
There is nothing wrong with guesses based on trending and market forces. It is quite valid and is generally somewhat accurate. That being said it has serious limitations and there is nothing physical about it. Once you know power and weight you know pretty much everything you need to get a wide range of quite accurate performance figures. I know I and this community are interested in those. I enjoy the application of basic physics to the world of the gear head since it is filled with so much imprecision, smoke blowing and down right factually incorrect beliefs. Furthermore my figures are bracketed, based on the small bit of imprecision in the power and weight figures we have. That is also another benefit of a rigorous approach.

I think you have overstepped quite a bit calling such activity intellectual snobbery. Maybe the foundations of science with Kepler and Keplers laws finally overturning centuries of a false geocentric world view was also intellectual snobbery? Or perhaps it was one of the most important advances in science and the scientific method.
__________________
E92 M3 | Space Gray on Fox Red | M-DCT | CF Roof | RAC RG63 Wheels | Brembo 380mm BBK |
| Vorsteiner Ti Exhaust | Matte Black Grilles/Side Gills/Rear Emblem/Mirrors |
| Alekshop Back up Camera | GP Thunders | BMW Aluminum Pedals | Elite Angels |
| XPEL Full Front Wrap | Hardwired V1 | Interior Xenon Light Kit |
Appreciate 0
Post Reply

Bookmarks

Tags
2013 bmw m3, 2013 bmw m3 sedan, 2013 bmw m4, 2013 m3, 2013 m4, 2014 bmw m3, 2014 m3, 2014 m3 forum, 2014 m3 renders, bmw f80, bmw f80 forum, bmw f80 forums, bmw f80 m3, bmw f80 m3 sedan, bmw f80 m3 video, bmw f80 video, bmw f82, bmw f82 forum, bmw f82 forums, bmw f82 m3, bmw f82 m3 coupe, bmw f82 m3 forum, bmw f82 m4, bmw f82 m4 coupe, bmw f83, bmw f83 m3, bmw f83 m4, bmw m forum, bmw m forums, bmw m3 forum, bmw m3 forums, bmw m4, bmw m4 coupe, bmw m4 coupe forum, bmw m4 forum, bmw m4 forums, bmw spy, bmw spy photo, bmw spy photos, bmw spy pic, bmw spy pics, bmw spy video, bmw spy videos, bmw spyshot, bmw spyshots, f30 m3 renders, f80, f80 forum, f80 forums, f80 m3, f80 m3 forums, f80 m3 render, f80 m3 renders, f80 m3 sedan, f80 m3 video, f82, f82 coupe, f82 forum, f82 forums, f82 m3

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 07:22 AM.




f80post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST