BMW M3 Forum (E90 E92)

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


Go Back   M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > Suspension | Brakes | Chassis
 
Strasse Wheels
Post Reply
 
Thread Tools Search this Thread
      11-14-2008, 08:19 PM   #1
3XTR3M3
Lieutenant Colonel
3XTR3M3's Avatar
United_States
43
Rep
1,580
Posts

 
Drives: E92 AW M3 6MT
Join Date: Aug 2006
Location: LA

iTrader: (1)

Red face Springs: H&R vs. Eibach vs. RD Sport

Im lookin to buy springs and i think ive read every thread i can find on all 3 so far.

Im looking for a slight drop (not too picky) and a firmer ride for sure. I dont have EDC and Im not sure how a non-EDC cars ride compares to one of the EDC settings.

With a Non-EDC E92, I get some bounce during high speeds which scares me. My Competition Package E46 NEVER behaved this way. It was ALWAYS planted and felt stable during very high speeds even on not so perfect roads. Mantis actually mentioned MORE bounce with H&Rs which confuses the hell out of me cus thats what im trying to get rid of.

I wanna get the same planted, stable and a bit lower feel as I had with My E46 Competition.

Which spring would you guys suggest??
__________________
Appreciate 0
      11-14-2008, 08:21 PM   #2
!Xoible
Banned
United_States
555
Rep
46,037
Posts

 
Drives: ....
Join Date: Nov 2006
Location: .

iTrader: (4)

Garage List
2008 M3  [3.50]
2007 335i  [4.50]
2008 528i  [4.00]
2006 Infiniti - G35 ...  [4.00]
H&R just coz they suck
Appreciate 0
      11-15-2008, 02:37 AM   #3
spyderco10
Colonel
spyderco10's Avatar
United_States
34
Rep
2,425
Posts

 
Drives: AW E92 M3 6MT
Join Date: Jul 2008
Location: Honolulu, HI

iTrader: (0)

um, i got the H&Rs, I don't think they suck. I think they are good. i'd say about 15% stiffer, and more planted feel. I wish they were stiffer though. but it's a good combo between handling, and ride. they are definitely not bouncier than stock, not that the stock is bouncy
__________________
“For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.”
- John 3:16
Appreciate 0
      11-15-2008, 03:38 AM   #4
spectrumphoto
Just another peanut in the Turd!
spectrumphoto's Avatar
United_States
5
Rep
438
Posts

 
Drives: 08 M3 e90 IB
Join Date: Aug 2008
Location: Hollywierd, SoCal

iTrader: (2)

If you don't have EDC then you NEED to get Coilovers!!! It is the only way to go! Nothing to lose and everything to gain!
Appreciate 0
      11-15-2008, 04:37 AM   #5
MrHarris
yodog
MrHarris's Avatar
United_States
77
Rep
5,037
Posts

 
Drives: '86 Corolla
Join Date: Jun 2007
Location: Diamond Bar, Ca

iTrader: (5)

Garage List
2009 BMW  [5.00]
Send a message via AIM to MrHarris
Honestly I wish I could get coilovers without feeling guilty of ditching the whole EDC thing. Don't even think about springs if you are non-EDC equipped. If you are though, then get H&R.
__________________

2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle
Special Thanks: Gintani | OETuning | eAs
Appreciate 0
      11-15-2008, 10:11 AM   #6
CodeRed
Private First Class
2
Rep
152
Posts

 
Drives: '08 E90 & 67 Alfa GTV
Join Date: Oct 2008
Location: God's country

iTrader: (3)

Roughly how much do each of the spring sets go for? Good time to spend the $$ on a good align too..are they all readily available?
Appreciate 0
      11-15-2008, 12:45 PM   #7
Buti_BMW
Private First Class
United_States
9
Rep
155
Posts

 
Drives: 2008 E92 AW M3 ;)
Join Date: Jun 2008
Location: Yorktown Heights, NY

iTrader: (0)

Send a message via MSN to Buti_BMW
im sorry if i sound dum but...wat is EDC?
Appreciate 0
      11-15-2008, 12:46 PM   #8
Herms
First Lieutenant
10
Rep
392
Posts

 
Drives: '11 Audi S4; '10 Mini Cooper S
Join Date: Mar 2008
Location: LA. CA

iTrader: (0)

electronic damping control
Appreciate 0
      11-15-2008, 02:32 PM   #9
serven7
Second Lieutenant
serven7's Avatar
5
Rep
293
Posts

 
Drives: RS 46 M3
Join Date: Jan 2008
Location: Honolulu/Phoenix

iTrader: (1)

Quote:
Originally Posted by spectrumphoto View Post
If you don't have EDC then you NEED to get Coilovers!!! It is the only way to go! Nothing to lose and everything to gain!
+1
Appreciate 0
      11-15-2008, 02:37 PM   #10
rzm3
Moderator
rzm3's Avatar
224
Rep
4,603
Posts

 
Drives: E92 M3
Join Date: Aug 2007
Location: USA

iTrader: (14)

Quote:
Originally Posted by spectrumphoto View Post
If you don't have EDC then you NEED to get Coilovers!!! It is the only way to go! Nothing to lose and everything to gain!
+2

there are a lot of dicussions regarding springs in the suspension section. please check there.
__________________
E92 M3 DCT - AiM EVO4 Data Logger / AiM SmartyCam HD / KW Competition 2-Way / OMP ARS Racing Seats / Brembo GT 365 / Pagid Yellow RS-29 / Rear Seats Delete
Appreciate 0
      11-15-2008, 04:50 PM   #11
positiveions
Lieutenant General
positiveions's Avatar
Lebanon
114
Rep
10,529
Posts

 
Drives: 09 MKV JETTA 2.5 & E90 M3 :)
Join Date: Sep 2007
Location: La Verne, CA

iTrader: (1)

Send a message via MSN to positiveions Send a message via Yahoo to positiveions
hmmm, I am still baffled about springs. I don't know. I've tried Eibach, H&R, and Dinan. Dinan is a very safe haven, but then again it doesn't give you the aggressive look anyone would love. Eibach is somewhere in the middle. H&R had an aggressive setting; from what I experienced in the past.
Appreciate 0
      11-15-2008, 07:17 PM   #12
Ronin13
First Lieutenant
Ronin13's Avatar
United_States
8
Rep
362
Posts

 
Drives: DKG E92 M3, S2K, JGC
Join Date: Jan 2008
Location: STL, MO

iTrader: (0)

Quote:
Originally Posted by 3XTR3M3 View Post

With a Non-EDC E92, I get some bounce during high speeds which scares me. My Competition Package E46 NEVER behaved this way. It was ALWAYS planted and felt stable during very high speeds even on not so perfect roads. Mantis actually mentioned MORE bounce with H&Rs which confuses the hell out of me cus thats what im trying to get rid of.
If you are feeling more bounce, that sounds like more of a damping problem vs. a spring issue. The e9x M3's I've driven all have had EDC, so I don't have a first hand view of the feel you are experiencing. Just not sure springs alone will get you the results you are trying to achieve.
Appreciate 0
      11-15-2008, 09:53 PM   #13
Steveo58
-Steveo-
Steveo58's Avatar
United_States
8
Rep
202
Posts

 
Drives: 2008 M3
Join Date: May 2008
Location: Irvine, CA

iTrader: (0)

Send a message via AIM to Steveo58
I have H&R and the stance is perfect and the ride is great (with EDC).
__________________
-Steveo-
Appreciate 0
      11-16-2008, 03:20 AM   #14
DICKER 1
That Dr. DICKER to You
DICKER 1's Avatar
Qatar
1
Rep
144
Posts

 
Drives: 11.5ZCP Coupe'/ /Ducati's
Join Date: Nov 2008
Location: Warm & Wett Newport Coast

iTrader: (0)

Garage List
2008 m3  [0.00]
Typically

The search for good suspension will continue to remain a mystery.

I will be waiting for TC Kline or Moton to develop suspension.
With all of this technology One must take advantage of having EDC.

And for those on EDC Cars Look no where else other than Coils
Appreciate 0
      11-17-2008, 10:19 PM   #15
CodeRed
Private First Class
2
Rep
152
Posts

 
Drives: '08 E90 & 67 Alfa GTV
Join Date: Oct 2008
Location: God's country

iTrader: (3)

Has anyone looked into the AC Shinitzer springs? I heard good things about them today from someone that would know.
Appreciate 0
      11-17-2008, 11:55 PM   #16
Kris@Modmynav
Kris@Modmynav's Avatar
United_States
35
Rep
1,311
Posts

 
Drives: 11 E90 M3
Join Date: Dec 2007
Location: Chicago

iTrader: (12)

Send a message via MSN to Kris@Modmynav
Quote:
Originally Posted by CodeRed View Post
Has anyone looked into the AC Shinitzer springs? I heard good things about them today from someone that would know.
That's what I was getting for,
I've had H&R, Eibach Springs for my X5, but after I installed ACS sport suspnesion, I couldn't be happier.
Appreciate 0
      11-18-2008, 12:21 AM   #17
CodeRed
Private First Class
2
Rep
152
Posts

 
Drives: '08 E90 & 67 Alfa GTV
Join Date: Oct 2008
Location: God's country

iTrader: (3)

I am going to do the ACS too. I really trust this opinion. BTW, they have dyno'ed the eibach springs and had some good things to say about that as a set up as well.
Appreciate 0
      11-18-2008, 12:28 AM   #18
rzm3
Moderator
rzm3's Avatar
224
Rep
4,603
Posts

 
Drives: E92 M3
Join Date: Aug 2007
Location: USA

iTrader: (14)

Quote:
Originally Posted by CodeRed View Post
I am going to do the ACS too. I really trust this opinion. BTW, they have dyno'ed the eibach springs and had some good things to say about that as a set up as well.
Sorry but how does a dyno determine how good a spring is? The car isn't moving I assume...
__________________
E92 M3 DCT - AiM EVO4 Data Logger / AiM SmartyCam HD / KW Competition 2-Way / OMP ARS Racing Seats / Brembo GT 365 / Pagid Yellow RS-29 / Rear Seats Delete
Appreciate 0
      11-18-2008, 12:41 AM   #19
CodeRed
Private First Class
2
Rep
152
Posts

 
Drives: '08 E90 & 67 Alfa GTV
Join Date: Oct 2008
Location: God's country

iTrader: (3)

Apparently they compress the springs somehow...perhaps dyno is a misnomer, but they had a lot of sets of springs that they had recently tested..I saw at least a dozen of them from various sources. The ACS had the best progression. I trust their opinion, not trying to sell me on anything just talking. Good luck on your choices, I have made mine.
Appreciate 0
      11-18-2008, 08:16 AM   #20
lucid
Major General
lucid's Avatar
United_States
116
Rep
8,034
Posts

 
Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

iTrader: (0)

Quote:
Originally Posted by rldzhao View Post
Sorry but how does a dyno determine how good a spring is? The car isn't moving I assume...
He is probably referring to a shock dyno. You should be able to test the spring/damper assembly, and obtain the damping curve to determine how the shocks are performing under various loading conditions. I don't know how you do that with EDC though; who knows what the control inputs are and what you sensors are involved exactly.
__________________
Appreciate 0
      11-18-2008, 01:28 PM   #21
SV Concepts III
Lieutenant General
262
Rep
17,021
Posts

 
Drives: BMW Duh
Join Date: Apr 2005
Location: Santa Clara

iTrader: (13)

Send a message via AIM to SV Concepts III
Given your explanation of what you are looking for, I think the H&R Sports would be the perfect solution. They provide a noticeable drop over stock and firmer ride for better handling without being too jarring or aggressive for everyday use. The thing I like most about H&R Sports is that they pay special attention to improve performance but maintain the car's street qualities and comfort so it is something you can use daily with no issues. The Sport springs are also fully compatible with the EDC adjustable suspension.
Appreciate 0
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 04:20 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