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 > Track / Autocross / Dragstrip / Driving Techniques
 
European Auto Source
Post Reply
 
Thread Tools Search this Thread
      10-30-2012, 02:22 AM   #1
rzm3
0
Moderator
 
rzm3's Avatar
 
Drives: E92 M3
Join Date: Aug 2007
Location: USA

Posts: 4,601
iTrader: (14)

Question Guys who Track, How's Your Aftermarket Suspension Holding Up?

Just wanted to start a thread and collect some feedback on the durability and performance of various aftermarket suspension kits.

Some questions to consider:

0. Which kit do you have?
1. When was the kit installed?
2. How often do you track?
3. Run group?
4. Any major issues? Rebuilds?
5. Other minor issues?
6. Would you recommend it to others?
__________________
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
rzm3 is offline  
Appreciate 0
Reply With Quote
      10-30-2012, 09:20 AM   #2
Porschefile
0
Major
 
Porschefile's Avatar
 
Drives: E92 M3
Join Date: Jul 2008
Location: Tennessee

Posts: 1,233
iTrader: (6)

0. Which kit do you have? KW Clubsport
1. When was the kit installed? 2-3 years old (10k miles PO, 5k miles me)
2. How often do you track? 1-2 per month (has seen 30-40 track days)
3. Run group? Instructor
4. Any major issues? Rebuilds? Not yet. I will rebuild when R/C adjustments no longer work the way I want them to.
5. Other minor issues? No.
6. Would you recommend it to others? Yes, I like them a lot. Awesome on track and not too rough for me on the street. The damping adjustments make a noticeable difference.

Last edited by Porschefile; 11-01-2012 at 12:07 PM.
Porschefile is offline  
Appreciate 0
Reply With Quote
      10-30-2012, 12:05 PM   #3
bigjae1976
0
That's what she said...
 
bigjae1976's Avatar
 
Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Milwaukee, WI

Posts: 5,532
iTrader: (12)

Garage List
2004 BMW M3  [4.50]
2011 BMW E90 M3  [5.00]
2013 BMW 328i  [5.00]
E90

0. Which kit do you have? Dinan Stage II w/ GC camber plates
1. When was the kit installed? Mid April 2012
2. How often do you track? 5 days so far
3. Run group? advanced
4. Any major issues? Yes. GC bolt plates failed during initial installation, fixed.
5. Other minor issues? None
6. Would you recommend it to others? Depends. For looks and warranty purposes, yes. Performance upgrade...meh. The springs didn't do much. The front bar, plates and square tires killed the low speed understeer...probably did too good of a job if you ask me.
__________________


Sponsored by Momentum BMW #593...We Bleed BMW BLUE!
bigjae1976 is online now  
Appreciate 0
Reply With Quote
      10-31-2012, 12:38 AM   #4
NRBRNG
0
Second Lieutenant
 
NRBRNG's Avatar
 
Drives: 2009 E92 M3, DCT, SG.
Join Date: Jan 2011
Location: OREGON, USA

Posts: 215
iTrader: (9)

[quote=RLDZHAO;12913326]Just wanted to start a thread and collect some feedback on the durability and performance of various aftermarket suspension kits.

Some questions to consider:

0. Which kit do you have? KW Clubsports
1. When was the kit installed? April 11
2. How often do you track? They have seen about 30 days
3. Run group? Advanced
4. Any major issues? Rebuilds? No. Canary chirp on rough roads only.
5. Other minor issues? None really, except as speeds and times get better, the tires are starting to take the strain more and their life is pretty short these days...Yoko slicks. Might need to go MCS for next season...
6. Would you recommend it to others? definately for moderate towards heavy tracking.
__________________
SG, DCT- Diffsonline 3.62 triple ramp.
MCS 2-way, GC race CP, TMS solid subframe/Diff bushings, RD sway bars, Akra catless GT4, BPM tune, welded half cage/door bars, Recaro Profi's /Schroth 6 pts, Stoptech ST60/ Cobalt XR1/2 race pads, Apex ARC 8's, Yoko A005 slicks, RKP GT4 Splitter, APR GT250 Wing, BMC filter, BW race F CAB's, Dinan R Toe Links, Mini CS battery, Aim DL, Dry-3100 pounds
NRBRNG is offline  
Appreciate 0
Reply With Quote
      10-31-2012, 08:24 AM   #5
paradocs98
0
Major
 
paradocs98's Avatar
 
Drives: 2014 991 Carrera S
Join Date: May 2009
Location: NY

Posts: 1,347
iTrader: (0)

0. Which kit do you have? Dinan Stage III
1. When was the kit installed? April 2011
2. How often do you track? Approx 10 events/yr--so far around 20 events or around 25 total track days
3. Run group? High intermediate
4. Any major issues? Rebuilds? none so far
5. Other minor issues? none
6. Would you recommend it to others? For a good street/track compromise that maintains EDC function and matching warranty, yes. For faster, more advanced track drivers willing to give up EDC, I would probably look at something like Moton or JRZ coilovers instead

Good thread idea
__________________
IB E90 M3 ZCP returned to BMW FS
paradocs98 is offline   United_States
Appreciate 0
Reply With Quote
      10-31-2012, 10:38 AM   #6
VSmotorsports
0
Lieutenant Colonel
 
VSmotorsports's Avatar
 
Drives: e92 M3
Join Date: Apr 2010
Location: Schaumburg, IL

Posts: 1,633
iTrader: (3)

Send a message via AIM to VSmotorsports
0. Which kit do you have? - Motion Control 3 Way Adjustable
1. When was the kit installed? - March 2012
2. How often do you track? - Often, this is our race car setup
3. Run group? - NASA GTS-4
4. Any major issues? Rebuilds? - None
5. Other minor issues? - None
6. Would you recommend it to others? - Yes, MCS makes a great setup (Props to Lex)
VSmotorsports is offline  
Appreciate 0
Reply With Quote
      10-31-2012, 11:52 AM   #7
klammer
0
Brigadier General
 
Drives: 11 spc gry m3 e90, 07 X5
Join Date: Jan 2010
Location: chicago

Posts: 3,241
iTrader: (0)

0. Which kit do you have? Dinan stg. 3
1. When was the kit installed? fall 2010
2. How often do you track? pretty often, looking at over 50 events on this setup.
3. Run group? Advanced
4. Any major issues? Rebuilds? nope
5. Other minor issues? nope
6. Would you recommend it to others? Yes, but only as a compromise setup. In retrospect would have gone with a full coil-over.
__________________
mods: akra evo, dinan 3.45 diff, ess akra tune, dinan stg.3, Alcon bbk, HRE P40
klammer is offline  
Appreciate 0
Reply With Quote
      10-31-2012, 12:09 PM   #8
PrimeBMW
0
Captain
 
PrimeBMW's Avatar
 
Drives: E46 M3+S62, E92 M3
Join Date: May 2009
Location: Portland, OR

Posts: 761
iTrader: (0)

[quote=NRBRNG;12918283]
Quote:
Originally Posted by RLDZHAO View Post
Just wanted to start a thread and collect some feedback on the durability and performance of various aftermarket suspension kits.

Some questions to consider:

0. Which kit do you have? KW Clubsports
1. When was the kit installed? April 11
2. How often do you track? They have seen about 30 days
3. Run group? Advanced
4. Any major issues? Rebuilds? No. Canary chirp on rough roads only.
5. Other minor issues? None really, except as speeds and times get better, the tires are starting to take the strain more and their life is pretty short these days...Yoko slicks. Might need to go MCS for next season...
6. Would you recommend it to others? definately for moderate towards heavy tracking.
You know you want the MCS......you know you need the MCS!
PrimeBMW is offline   No_Country
Appreciate 0
Reply With Quote
      10-31-2012, 07:49 PM   #9
CBS
0
Major
 
CBS's Avatar
 
Drives: F10 535, E90 M3, E30 M3
Join Date: Jan 2011
Location: Wilkes-Barre, PA

Posts: 1,131
iTrader: (0)

Garage List
2014 535xi M Sport  [0.00]
2014 X3 3.5 M Sport  [0.00]
2011 M3 E90  [4.89]
2008 X5  [0.00]
1990 BMW M3  [5.00]
^
__________________

ESS VT-1 550 | M24 Oil Cooler | Fall Line Half Cage | RaceTech 4009W | 6 pt Harness | Lifeline Zero 360 Fire Suppression | Rear Seat Delete | Motion Control DA Dampers w/remote reservoirs | 900/650 Hyperco Springs | RD Sport Sway Bars | Brembo 380 BBK | GC Camber Plates | Hoosier R6 | Eisenmann Sport | Stack Gauges | Painted Challenge Front Lip | Painted ZCP Rear Spoiler | Xpel Ultimate Film | LuxAngelEyes
CBS is offline   United_States
Appreciate 0
Reply With Quote
      11-01-2012, 06:25 AM   #10
dawgdog
0
Colonel
 
dawgdog's Avatar
 
Drives: 2010 Porsche GT3RS
Join Date: Oct 2006
Location: Seattle, Wa.

Posts: 2,175
iTrader: (0)

I had several setups in my M3. First lowering springs, then Ground Control using stock dampers, then AST 5220 and finally AST 4200.

The AST suspensions transformed the car but the 5220 were problematic including several leaking dampers. I finally switched to the AST 4200s and used them for about 25 track days with the only issues being replacing faulty lower bearings on the rear dampers.

As far as the car was concerned it was a new car with the suspension and was easy to dial in, both the 5220 and 4200. The 4200 are, with a few clicks of the rebound setting, very comfortable on the street. On the 4200s I used 550 lb springs in front and 790 in the rear.
__________________
2015 f80 M3, 2010 GR3RS
dawgdog is online now  
Appreciate 0
Reply With Quote
      11-01-2012, 11:15 AM   #11
FrenchBoy
0
Major
 
FrenchBoy's Avatar
 
Drives: '09 E90 M3
Join Date: Mar 2006
Location: Seattle, WA

Posts: 1,376
iTrader: (0)

Great thread. Thanks for starting it. I will be in the market for an updated suspension at some point in the future so this is great info.

Here are my answers

0. Which kit do you have?
Ground Control Coilover kit, with GC camber plates. 600 in.lb rear springs, 440 in.lb front springs
1. When was the kit installed?
March 2011
2. How often do you track?
10/12 times a year. Kit has seen about 24 track days
3. Run group?
Advanced
4. Any major issues? Rebuilds?
No
5. Other minor issues?
Creaking noise after initial install. A quick call to Ground Control identify an incorrect install. There needs to be a small space between the endlink sleeve and the spring lower threaded perch. Corrected install. Not issue since.
6. Would you recommend it to others?
Definitely. It is a nice system for a combination street/track use that maintains the stock EDC shocks. It does not perform as well as a real setup (like dawgdog's above which I can confirm changed the character of the car) but nice nonetheless.
__________________

2009 E90 M3 | SG | FR | 6Speed | Akrapovic Evo | JRZ RS1 | StopTech Trophy | Cantrell Brake Ducts

Last edited by FrenchBoy; 11-01-2012 at 12:12 PM.
FrenchBoy is offline   France
Appreciate 0
Reply With Quote
      11-01-2012, 11:53 AM   #12
Jaypod
0
Brigadier General
 
Jaypod's Avatar
 
Drives: Frozen M3, AM V8V, 991 GT3
Join Date: Nov 2008
Location: Toronto

Posts: 4,951
iTrader: (7)

Past: On previous '08 E90

0. Which kit do you have? Moton Street Sport (Version 2)
1. When was the kit installed? 3 years ago, on Car for 2 years
2. How often do you track? 15-20 days per year
3. Run group? Advanced\Instructor
4. Any major issues? Rebuilds? No
5. Other minor issues? Endlink Tab broke, apparently I am only one to experience this. Part was replaced quickly and easy fix. Only other complaint would be that "clicks" are not as positive as i would have liked (really had to pay attention, especially when shock was cold)
6. Would you recommend it to others? Definitely, loved this kit and still miss it. Although there are more options available today so would also consider MCS and AST if I was to go to a full coilover kit again.

Current: '12 E92 with EDC(DDC)

I currently have the Dinan Coilover kit (really a Sleeve Over). Have run it for 1 track day and so far am impressed. Not issues so far and ride is very compliant on and off the track. Went with this kit to retain EDC as already have a deposit on another car and dont plan to keep this car long term. Will further update when appropriate.
Jaypod is offline   No_Country
Appreciate 0
Reply With Quote
      11-01-2012, 09:00 PM   #13
CJ421
0
Brigadier General
 
CJ421's Avatar
 
Drives: 2011 E92 335i
Join Date: Feb 2011
Location: PA

Posts: 3,262
iTrader: (1)

Garage List
2011 BMW 335i  [4.66]
I'll chime in here. I have a complete M3 suspension conversion including M3 style rear dampers.

0. Which kit do you have? - JRZ RS1 fixed-height with AC Schnitzer M3 springs, Ground Control M3 camber plates, track alignment, BFG R1 tires.
1. When was the kit installed? - June 2012
2. How often do you track? 10-15 days/year (15 days on the JRZs)
3. Run group? BMW CCA Green/Advanced
4. Any major issues? Rebuilds? No issues. Solid performance through and through, I am thinking about upping the gas pressure on the damper at some point.
5. Other minor issues? - N/A
6. Would you recommend it to others? - For track junkies yes, these will transform the car. I thought they felt good driving home after I got them installed but when I got to the track I said "wow". Always a smile on my face. I know exactly what the tire's contact patch is doing on the track. Just fantastic damping.
__________________
2011 BMW E92 335i, 6MT, Le Mans blue - Quaife LSD, JRZ RS Pro, JRZ camber plates, Eibach ERS, full M3 susp, custom toe arms, Powergrid end-links, SS brake lines, brake ducting, Michelin PSS, UUC SSK, ETS FMIC, ER CP, Perf. Exhaust, VAC RSIK, Sparcos; work by VAC Motorsports in Philadelphia
CJ421 is offline   United_States
Appreciate 0
Reply With Quote
      11-13-2012, 05:10 PM   #14
Raucky2000
0
Lieutenant
 
Raucky2000's Avatar
 
Drives: SGM E90 M3 dct
Join Date: Nov 2012
Location: Ohio

Posts: 483
iTrader: (3)

Thanks for all the good info, now I just have to buy something...
Raucky2000 is offline  
Appreciate 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 10:21 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