BMW M3 Forum (E90 E92)

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


Go Back   M3Post - BMW M3 Forum > M3 (E90 / E92 / E93) > General M3 Forum (E90 + E92 + E93)
 
Steve Thomas BMW
Post Reply
 
Thread Tools Search this Thread
      07-09-2007, 05:26 PM   #1
13eastie
Lieutenant
 
13eastie's Avatar
 
Drives: 2007 E92 M3
Join Date: Mar 2007
Location: London

Posts: 563
iTrader: (0)

Garage List
Question EDC: Worth ordering?

I've ordered my new M3 with EDC, but not having experienced the system before, am now wondering why...

Can anyone with previous experience of this tell me:

1) What is the default setting if you do not order EDC?

2) What EDC setting do you usually use on the road and why?

3) Is EDC good value for money?

4) Will the absence of EDC adversely affect resale value?

Cheers for any help...
13eastie is offline   United Kingdom
0
Reply With Quote
      07-09-2007, 06:31 PM   #2
lucid
Major General
 
lucid's Avatar
 
Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

Posts: 8,034
iTrader: (0)

Quote:
Originally Posted by 13eastie View Post
I've ordered my new M3 with EDC, but not having experienced the system before, am now wondering why...

Can anyone with previous experience of this tell me:

1) What is the default setting if you do not order EDC?

2) What EDC setting do you usually use on the road and why?

3) Is EDC good value for money?

4) Will the absence of EDC adversely affect resale value?

Cheers for any help...
How much does that option cost in the UK?

I can't speak to the rest, but the only two ways that I can think of for EDC to adversely affect resale value are A) if it malfunctions often and results in costly repairs, and B) if it adds significant weight to the car.

If I was buying a used M3 with some miles on it, which would suggest I don't have money to throw around, I would stay away from such a system because of A. When I order my new M3 however, I plan on getting EDC--unless the initial buyers strongly recommend against it!
lucid is offline   United_States
0
Reply With Quote
      07-09-2007, 06:33 PM   #3
JEllis
Brigadier General
 
JEllis's Avatar
 
Drives: E36 M3, E92 M3
Join Date: Oct 2006
Location: SD CA/Yuma

Posts: 4,568
iTrader: (4)

These are all questions that will be answered as real road tests are done with the car.

Jason
__________________
http://www.m3post.com/forums/signaturepics/sigpic14547_7.gif
JEllis is online now  
0
Reply With Quote
      07-09-2007, 06:58 PM   #4
T Bone
Brigadier General
 
T Bone's Avatar
 
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Quote:
Originally Posted by 13eastie View Post
I've ordered my new M3 with EDC, but not having experienced the system before, am now wondering why...

Can anyone with previous experience of this tell me:

1) What is the default setting if you do not order EDC?

2) What EDC setting do you usually use on the road and why?

3) Is EDC good value for money?

4) Will the absence of EDC adversely affect resale value?

Cheers for any help...

Definitely worth it.... You will benefit from different damper settings for different applications, normal driving, road course, drag racing.... You will be able to tweak your car, at the touch of a button, for each application.
__________________
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
0
Reply With Quote
      07-09-2007, 07:00 PM   #5
The CSL
For the love of ///M3
 
The CSL's Avatar
 
Drives: Peugeot 306 XSI 16v
Join Date: Feb 2007
Location: Plymouth, UK

Posts: 660
iTrader: (0)

One sport set-up would suit me personally, but I'm sure I read on here, the non-EDC cars are somewhere between normal and sport settings.
__________________
The CSL is offline   United Kingdom
0
Reply With Quote
      07-09-2007, 07:07 PM   #6
13eastie
Lieutenant
 
13eastie's Avatar
 
Drives: 2007 E92 M3
Join Date: Mar 2007
Location: London

Posts: 563
iTrader: (0)

Garage List
Quote:
Originally Posted by lucid View Post
How much does that option cost in the UK?
It's an extra £1,295 in the UK.
13eastie is offline   United Kingdom
0
Reply With Quote
      07-09-2007, 07:28 PM   #7
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,481
iTrader: (22)

Garage List
2008 M3  [4.75]
Quote:
Originally Posted by T Bone View Post
Definitely worth it.... You will benefit from different damper settings for different applications, normal driving, road course, drag racing.... You will be able to tweak your car, at the touch of a button, for each application.
that pretty much sums it up.
FifthStreetz is offline   United_States
0
Reply With Quote
      07-09-2007, 08:03 PM   #8
lucid
Major General
 
lucid's Avatar
 
Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

Posts: 8,034
iTrader: (0)

Quote:
Originally Posted by 13eastie View Post
It's an extra £1,295 in the UK.
Not much for a £50k car. Sounds like it would be worth it to me. I mean, it certainly can't hurt to be able to adjust your suspension settings on the fly, and it will be covered under warranty.
lucid is offline   United_States
0
Reply With Quote
      07-09-2007, 08:19 PM   #9
T Bone
Brigadier General
 
T Bone's Avatar
 
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Quote:
Originally Posted by lucid View Post
Not much for a £50k car. Sounds like it would be worth it to me. I mean, it certainly can't hurt to be able to adjust your suspension settings on the fly, and it will be covered under warranty.

I can personally attest that these setting make a difference on performance..... The car accelerates in drag racing much better in the soft setting....
__________________
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
0
Reply With Quote
      07-09-2007, 08:27 PM   #10
M3onTwomps
First Lieutenant
 
Drives: '02 E46 M3
Join Date: Oct 2006
Location: The Sandbox

Posts: 319
iTrader: (0)

Would an aftermarket coilover kit be applicable to an M3 with EDC?
M3onTwomps is offline   Iraq
0
Reply With Quote
      07-09-2007, 08:33 PM   #11
T Bone
Brigadier General
 
T Bone's Avatar
 
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Quote:
Originally Posted by M3onTwomps View Post
Would an aftermarket coilover kit be applicable to an M3 with EDC?

I wouldn't think so....the EDC is tied into other electronic nannies... I am not sure if the M shocks use electomagnetic fluid to control the dampening rates but whatever replacement shock goes in, will need to interface with this system.

The M "magic" is typically added in the suspension work / balance so I would be hesitant in swapping parts out as it could really change the dynamic of the car without the benefit of trial and error that BMW took in the suspension system's development.
__________________
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
0
Reply With Quote
      07-09-2007, 08:41 PM   #12
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,481
iTrader: (22)

Garage List
2008 M3  [4.75]
Quote:
Originally Posted by M3onTwomps View Post
Would an aftermarket coilover kit be applicable to an M3 with EDC?
That is a very interesting question...even if it was would it possibly void your warranty if something went wrong with the EDC and they noticed you installed the kit?
FifthStreetz is offline   United_States
0
Reply With Quote
      07-09-2007, 08:43 PM   #13
M3onTwomps
First Lieutenant
 
Drives: '02 E46 M3
Join Date: Oct 2006
Location: The Sandbox

Posts: 319
iTrader: (0)

Quote:
Originally Posted by T Bone View Post
I wouldn't think so....the EDC is tied into other electronic nannies... I am not sure if the M shocks use electomagnetic fluid to control the dampening rates but whatever replacement shock goes in, will need to interface with this system.

The M "magic" is typically added in the suspension work / balance so I would be hesitant in swapping parts out as it could really change the dynamic of the car without the benefit of trial and error that BMW took in the suspension system's development.
Gotcha. Thanks for the info.

I only ask because although I trust BMW's engineers, things can always be improved upon. Coilover kits are pretty standard mods on the E46 M3 and in many cases, provided an increase performance and not just a drop.
M3onTwomps is offline   Iraq
0
Reply With Quote
      07-09-2007, 08:44 PM   #14
M3onTwomps
First Lieutenant
 
Drives: '02 E46 M3
Join Date: Oct 2006
Location: The Sandbox

Posts: 319
iTrader: (0)

Quote:
Originally Posted by FifthStreetz View Post
That is a very interesting question...even if it was would it possibly void your warranty if something went wrong with the EDC and they noticed you installed the kit?
If something went wrong with the suspension and you get caught with aftermarket parts, you bet it will void the warranty.
M3onTwomps is offline   Iraq
0
Reply With Quote
      07-09-2007, 08:56 PM   #15
T Bone
Brigadier General
 
T Bone's Avatar
 
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Quote:
Originally Posted by M3onTwomps View Post
Gotcha. Thanks for the info.

I only ask because although I trust BMW's engineers, things can always be improved upon. Coilover kits are pretty standard mods on the E46 M3 and in many cases, provided an increase performance and not just a drop.

IMHO, coilovers don't have an inherent advantage over struts....coilovers are just a more efficient package with more adjustability.... So long as the dampeners / springs are good, it is just a matter of packaging.
__________________
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
0
Reply With Quote
      07-09-2007, 09:06 PM   #16
FifthStreetz
O! So Sour!!
 
FifthStreetz's Avatar
 
Drives: Fast e30 / Slow M3
Join Date: Apr 2007
Location: Fort Lee, NJ

Posts: 15,481
iTrader: (22)

Garage List
2008 M3  [4.75]
After looking at the pictures of the M the writers got in Spain, i feel the M could use a bit of a drop, especially if im going to put on bigger aftermarket wheels on it. It would suck if EDC actually prohibited this, but ill take the performance and reliability over looks.
FifthStreetz is offline   United_States
0
Reply With Quote
      07-09-2007, 09:14 PM   #17
swamp2
Major General
 
swamp2's Avatar
 
Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

Posts: 9,943
iTrader: (1)

Compatability

Despite all of the great advantages of EDC you can not replace the shocks with aftermarket one nor use a coil over set up. The shocks are completely special from the ground up for EDC and replacing them would completely void the function of the system, it would likely cause some major warnings in the cars computer and may even interfere with the driveability of the car since the cars "brain" may would be quite confused. You can still use aftermarket springs for a bit more stiffness or for aesthetic reasons.
swamp2 is offline   United_States
0
Reply With Quote
      07-09-2007, 09:24 PM   #18
Epacy
Reincarnated
 
Epacy's Avatar
 
Drives: 02 Maxima SE
Join Date: Mar 2007
Location: IL

Posts: 4,227
iTrader: (0)

Garage List
2008 M3  [0.00]
Quote:
Originally Posted by swamp2 View Post
You can still use aftermarket springs for a bit more stiffness or for aesthetic reasons.
This could be true, but it would depend on how much of a drop the stock struts could withstand.
__________________
Epacy is offline  
0
Reply With Quote
      07-09-2007, 09:40 PM   #19
GregW / Oregon
Commander-In-Chief
 
Drives: 2008 M3 Coupe, 2012 ML350
Join Date: Nov 2005
Location: Lake Oswego, OR

Posts: 7,263
iTrader: (1)

Garage List
EDC/aftermarket springs

Quote:
Originally Posted by Epacy View Post
This could be true, but it would depend on how much of a drop the stock struts could withstand.
True. Conventional wisdom is to change shocks to sportier ones when you go to shorter/higher effort springs, however the dampers may have enough adjustment to allow some changes. Someone may even come up with a chip to give more settings or a wider range.
__________________

Greg Lake Oswego, Oregon, USA
2008 M3 Coupe - Alpine/Fox Red/Carbon
2015 M4 coupe on order
GregW / Oregon is offline   United_States
0
Reply With Quote
      07-09-2007, 09:43 PM   #20
T Bone
Brigadier General
 
T Bone's Avatar
 
Drives: 2008 335xi Coupe
Join Date: Feb 2007
Location: The land where we kill baby seals

Posts: 4,021
iTrader: (0)

Quote:
Originally Posted by GregW / Oregon View Post
True. Conventional wisdom is to change shocks to sportier ones when you go to shorter/higher effort springs, however the dampers may have enough adjustment to allow some changes. Someone may even come up with a chip to give more settings or a wider range.

I don't think Epacy is talking about spring rates but just the ride height. I think with the electronic shocks that would be stock with the M3, it shouldn't be a problem using stiffer springs.

I would fear changing the geometry of the suspension by dropping it. I know it looks cool but I like to let the suspension work and give it lots of travel and weight transfer.
__________________
"Aerodynamics are for people who cannot build engines"......Enzo Ferrari
T Bone is offline  
0
Reply With Quote
      07-09-2007, 10:13 PM   #21
lucid
Major General
 
lucid's Avatar
 
Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

Posts: 8,034
iTrader: (0)

Quote:
Originally Posted by GregW / Oregon View Post
True. Conventional wisdom is to change shocks to sportier ones when you go to shorter/higher effort springs, however the dampers may have enough adjustment to allow some changes. Someone may even come up with a chip to give more settings or a wider range.
I wouldn't mess with the springs in anyway if the car has EDC (not sure if that is what you are proposing). Maybe the exception would be if the software running EDC was rewritten for specific aftermarket springs, but I am not sure that I would trust anyone other than BMW to write that kind of code for the car.
lucid is offline   United_States
0
Reply With Quote
      07-09-2007, 10:58 PM   #22
swamp2
Major General
 
swamp2's Avatar
 
Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

Posts: 9,943
iTrader: (1)

Stiffness vs. damping

A spring provides stiffness whereas a damper provides a force in opposition to a velocity or to some function of velocity. The function of each is separate but coupled in that a system should try to reach critical damping for most inputs and this involves the spring rate and damping level. A slight alteration of spring rate and ride height should not affect the EDC system. Consider the case of a car loaded with passengers and luggage. The normal ride height in this case will be substantially lower and further into the travel of the EDC damper. For sure the system will function just fine under this cirumstance. EDC offers tunable damping and maybe some minor stiffness effects as well but the dominant source of stiffness is certainly the spring and you could extract more performance and some benefit to frontal area and drag with lowering springs. All that being said, I almost for sure will not do so personally.
swamp2 is offline   United_States
0
Reply With Quote
Post Reply

Bookmarks

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
Forum Jump


All times are GMT -5. The time now is 05:39 PM.




m3post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
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