BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
M2 Technical Topics > Suspension | Brakes | Chassis > What Sway Bars Are Available For M2?

Post Reply
 
Thread Tools Search this Thread
      08-12-2016, 03:48 PM   #1
Acexxon
Captain
638
Rep
665
Posts

Drives: 2016 F06 M6 F87 M2
Join Date: Feb 2016
Location: CAN

iTrader: (0)

What Sway Bars Are Available For M2?

Hi I am looking to upgrade the suspension with KW V3 and also trying to find reputable brands for the sway bars.

Does anyone know what's available right now?
Appreciate 0
      08-12-2016, 04:09 PM   #2
DrKevM5
Colonel
DrKevM5's Avatar
United_States
2262
Rep
2,514
Posts

Drives: G05 X5, F87 M2
Join Date: Aug 2008
Location: Western NY

iTrader: (7)

http://www.dinancars.com/product/d12...ries&mid=1243/
__________________
?16 M2 Long Beach Blue/Black, 6MT
'22 X5 4.0 M Sport Black Sapphire/Tartufo
?22 Tesla Model Y Performance Midnight Silver/White
Appreciate 1
CSBM52695.50
      08-13-2016, 02:32 AM   #3
Acexxon
Captain
638
Rep
665
Posts

Drives: 2016 F06 M6 F87 M2
Join Date: Feb 2016
Location: CAN

iTrader: (0)

Quote:
Originally Posted by DrKevM5 View Post
Thanks!
Appreciate 0
      08-13-2016, 02:48 AM   #4
ric124
Colonel
ric124's Avatar
Jamaica
452
Rep
2,148
Posts

Drives: F87 M2 BSM MT
Join Date: Feb 2012
Location: South Florida

iTrader: (0)

Garage List
2017 BMW M2  [0.00]
Quote:
Originally Posted by Acexxon View Post
Hi I am looking to upgrade the suspension with KW V3 and also trying to find reputable brands for the sway bars.

Does anyone know what's available right now?
Are you having a lot of body roll? Have you tested on the track as yet? I was thinking about getting coils but based on all the track reviews I didn't think sways would be needed. Let me know if this is another mod I need to add to the list.
Appreciate 0
      08-13-2016, 09:07 PM   #5
Acexxon
Captain
638
Rep
665
Posts

Drives: 2016 F06 M6 F87 M2
Join Date: Feb 2016
Location: CAN

iTrader: (0)

Quote:
Originally Posted by ric124 View Post
Are you having a lot of body roll? Have you tested on the track as yet? I was thinking about getting coils but based on all the track reviews I didn't think sways would be needed. Let me know if this is another mod I need to add to the list.
I have not tracked my M2; however, I have done a few twisty runs and I do experience body rolls (maybe it's just my poor driving techniques) and feel there's more vertical movements than I had expected.

You should just try it and maybe you'll have a different aspect with regards to the need for sway bars.
Appreciate 0
      08-14-2016, 04:00 PM   #6
koastal
Captain
Australia
376
Rep
668
Posts

Drives: F87
Join Date: Aug 2011
Location: Oz

iTrader: (0)

On the track the std sway bars, dont appear to be a limiting issue.

Maybe if running pure slicks, this issue may manifest itself.
Appreciate 1
DrKevM52262.00
      08-22-2016, 07:19 AM   #7
Advevo
Banned
576
Rep
1,170
Posts

Drives: M2 Competition, E30 M3 DTM
Join Date: Apr 2006
Location: Country where the taxes are too high!!

iTrader: (0)

Does the M4 competition has fatter strutbars?
Appreciate 0
      08-22-2016, 07:27 AM   #8
Vintage
Colonel
Vintage's Avatar
United_States
378
Rep
2,588
Posts

Drives: BMW G80 (MT), 718 Spyder
Join Date: Aug 2009
Location: Austin, Texas

iTrader: (0)

Has anyone run their M2 on a track hard/fast with Michelin SC2s or similar. That will certainly tell you if you need to upgrade the sway bars and stock suspension?
Appreciate 0
      08-22-2016, 07:52 AM   #9
Advevo
Banned
576
Rep
1,170
Posts

Drives: M2 Competition, E30 M3 DTM
Join Date: Apr 2006
Location: Country where the taxes are too high!!

iTrader: (0)

Does someone know the size of the standard front sway bar of the M2
Appreciate 0
      08-22-2016, 01:54 PM   #10
HP Autosport
BimmerPost Supporting Vendor
United_States
3774
Rep
54,154
Posts


Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (36)

You should try to tune with springs before you get bars. Use bars to balance the handling not use them as a main suspension tuning tool.
Appreciate 0
      09-21-2016, 12:06 AM   #11
DECVING
Second Lieutenant
Australia
56
Rep
220
Posts

Drives: F80 ///M3
Join Date: Apr 2013
Location: Australia

iTrader: (0)

Has anyone changed sway bars on their M2's yet? I am curious to know the difference in handling / feel. The Dinan ones look the goods.
__________________
MY21 BMW M4 Competition (Ordered)
MY19 BMW X5 40i M Sport
MY15 Harley-Davidson V-ROD Night Rod Special
Appreciate 0
      09-21-2016, 02:15 AM   #12
ric124
Colonel
ric124's Avatar
Jamaica
452
Rep
2,148
Posts

Drives: F87 M2 BSM MT
Join Date: Feb 2012
Location: South Florida

iTrader: (0)

Garage List
2017 BMW M2  [0.00]
I've been on the track, car does not feel like it needs any upgraded swaybars. Car feels a lot lighter than it actually is and very balanced. Brake pads do need to be upgraded to track pads as the stock pads gets smoking hot very quickly.
Appreciate 0
      09-21-2016, 02:31 AM   #13
DECVING
Second Lieutenant
Australia
56
Rep
220
Posts

Drives: F80 ///M3
Join Date: Apr 2013
Location: Australia

iTrader: (0)

OK thanks for the insight. I've ordered the H & R springs and 10MM spacers for all four wheels so this should improve a little over stock also.

I'm surprised and disappointed by what I'm hearing about the brakes (and there has been numerous reports on this) as I had the M Performance brakes (the upgraded version / red) on my M135i and they performed really well at the track, no fade at all - I would have thought the M2 would be better than those!
__________________
MY21 BMW M4 Competition (Ordered)
MY19 BMW X5 40i M Sport
MY15 Harley-Davidson V-ROD Night Rod Special
Appreciate 0
      09-21-2016, 02:40 AM   #14
ric124
Colonel
ric124's Avatar
Jamaica
452
Rep
2,148
Posts

Drives: F87 M2 BSM MT
Join Date: Feb 2012
Location: South Florida

iTrader: (0)

Garage List
2017 BMW M2  [0.00]
Quote:
Originally Posted by DECVING View Post
OK thanks for the insight. I've ordered the H & R springs and 10MM spacers for all four wheels so this should improve a little over stock also.

I'm surprised and disappointed by what I'm hearing about the brakes (and there has been numerous reports on this) as I had the M Performance brakes (the upgraded version / red) on my M135i and they performed really well at the track, no fade at all - I would have thought the M2 would be better than those!
When BMW did their M track day they put M performance brake pads on the M2's. on the track all the M3/4 owners use pagid.
Appreciate 0
      09-21-2016, 03:22 AM   #15
DECVING
Second Lieutenant
Australia
56
Rep
220
Posts

Drives: F80 ///M3
Join Date: Apr 2013
Location: Australia

iTrader: (0)

Interesting. You'd think a full blown M car would have those pads standard..!
__________________
MY21 BMW M4 Competition (Ordered)
MY19 BMW X5 40i M Sport
MY15 Harley-Davidson V-ROD Night Rod Special
Appreciate 0
      09-21-2016, 07:36 AM   #16
ric124
Colonel
ric124's Avatar
Jamaica
452
Rep
2,148
Posts

Drives: F87 M2 BSM MT
Join Date: Feb 2012
Location: South Florida

iTrader: (0)

Garage List
2017 BMW M2  [0.00]
Quote:
Originally Posted by DECVING
Interesting. You'd think a full blown M car would have those pads standard..!
90% of the people who buy M cars don't track and would complain how noisy the pads are. Track pads squeal a lot.
Appreciate 1
ddnmkun153.50
      12-28-2016, 12:59 PM   #17
HP Autosport
BimmerPost Supporting Vendor
United_States
3774
Rep
54,154
Posts


Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (36)

aFe

http://www.hpashop.com/aFe-Sway-Bar-...ay-bar-F8x.htm
Appreciate 0
      02-28-2018, 05:47 PM   #18
young1
'17 M2 Mineral Grey
young1's Avatar
United_States
5
Rep
15
Posts

Drives: 2017 MG M2 6MT, 2002 E46 M3
Join Date: Mar 2017
Location: Arizona

iTrader: (0)

Anyone changed rear swaybar?

I have a bit of steady-state understeer in my M2 after installing slightly wider P4S tires (268/285) on stock rims. Previously, it was slip and slide power-oversteer fun. But with the wider P4S's in the rear, the front tends to run at a much greater slip angle than the rear. And the power can be easily put down.

Picked up a Dinan rear bar that should allow a slight spring rate increase in the rear that should allow tuning this out (hopefully to full neutral where both front and rears slip at similar angles in steady-state).

However... there's a local mechanic down the street from where I work, and he indicated the BMW manual calls for dropping the rear sub frame to install this(!). 8 hours. I figured it would be an easy job that wouldn't cost a lot to keep me off my garage floor.

So... anyone have experience with replacing the rear sway? And does the sub frame really need to be unbolted/realigned??
Appreciate 1
Acexxon638.00
      03-01-2018, 06:13 AM   #19
Acexxon
Captain
638
Rep
665
Posts

Drives: 2016 F06 M6 F87 M2
Join Date: Feb 2016
Location: CAN

iTrader: (0)

Quote:
Originally Posted by young1 View Post
I have a bit of steady-state understeer in my M2 after installing slightly wider P4S tires (268/285) on stock rims. Previously, it was slip and slide power-oversteer fun. But with the wider P4S's in the rear, the front tends to run at a much greater slip angle than the rear. And the power can be easily put down.

Picked up a Dinan rear bar that should allow a slight spring rate increase in the rear that should allow tuning this out (hopefully to full neutral where both front and rears slip at similar angles in steady-state).

However... there's a local mechanic down the street from where I work, and he indicated the BMW manual calls for dropping the rear sub frame to install this(!). 8 hours. I figured it would be an easy job that wouldn't cost a lot to keep me off my garage floor.

So... anyone have experience with replacing the rear sway? And does the sub frame really need to be unbolted/realigned??
I got my the same Dinan front and rear sway bars too. Actually for the M2, it requires dropping the rear sub, so he's absolutely correct. However, it should take about 4 hours or so.
Appreciate 0
      03-03-2018, 08:07 PM   #20
cookiesowns
;)
cookiesowns's Avatar
587
Rep
898
Posts

Drives: X5 45e, 535i N54, X3 N55
Join Date: Jan 2011
Location: West

iTrader: (0)

The M2 uses M4 Vert front sways and M3 CS rear sways so...
__________________
BM3, MHD, ECUTek Calibrator | N55/S58 specialist | 2023 X5 45e Frozen Marina Bay Blue
Appreciate 1
      03-05-2018, 06:20 AM   #21
Bee Pee
Brigadier General
United Kingdom
1736
Rep
4,495
Posts

Drives: AW M2 DCT
Join Date: Jun 2010
Location: SW London

iTrader: (3)

Quote:
Originally Posted by cookiesowns View Post
The M2 uses M4 Vert front sways and M3 CS rear sways so...
Front sway bar OE part no for M2 is 31352284762 - same as non CP M4 vert
Rear sway bar OE part no for M2 is 33557853266 - same as non CP M4, M4 CS and M4 GTS

Perhaps a logical upgrade could be to swap to OE front sway bar part no 31352284760 - from non CP M4, M4 CS and M4 GTS - to match the rear ???
__________________
Fettled M135i EB AT - gone but not forgotten:
AW M2 DCT
Appreciate 0
      03-05-2018, 09:23 PM   #22
cookiesowns
;)
cookiesowns's Avatar
587
Rep
898
Posts

Drives: X5 45e, 535i N54, X3 N55
Join Date: Jan 2011
Location: West

iTrader: (0)

Quote:
Originally Posted by Bee Pee View Post
Front sway bar OE part no for M2 is 31352284762 - same as non CP M4 vert
Rear sway bar OE part no for M2 is 33557853266 - same as non CP M4, M4 CS and M4 GTS

Perhaps a logical upgrade could be to swap to OE front sway bar part no 31352284760 - from non CP M4, M4 CS and M4 GTS - to match the rear ???
There's a reason why the M2 sway is from the M4 vert Check the weights on the front axle.

Personally I'm not a fan of using sway bars to control body roll, as its just a cheap fix. Doing so compromises what the shock actually does.
__________________
BM3, MHD, ECUTek Calibrator | N55/S58 specialist | 2023 X5 45e Frozen Marina Bay Blue
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



All times are GMT -5. The time now is 05:34 AM.




m2
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