E90Post
 


 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Powerflex anti roll bar bushes



Reply
 
Thread Tools Search this Thread
      08-09-2016, 04:37 AM   #1
Tr1ppy
Second Lieutenant
Tr1ppy's Avatar
36
Rep
279
Posts

Drives: E93 330i M Sport
Join Date: Mar 2015
Location: North West, UK

iTrader: (0)

Powerflex anti roll bar bushes

I'd like to suppress the tendency to roll of my E93 and without resorting to measures as new and thicker anti roll bars.
Its an MSport but I have replaced the springs with Eibach Pro's.


As a first step I'm thinking about replacing the anti roll bar bushes with powerflex items. There are two at the front and two at the rear (attaching to the body/chassis).

Has anyone tried this? Do they make any noticeable difference to the handling?

I understand powerflex bushes can tighten and stiffen the handling slightly but they can add greater NVH too.
Will swapping just the arb bushes induce noticeably more NVH?


Thanks in advance
Appreciate 0
      08-09-2016, 08:15 PM   #2
matteblue3er
Captain
238
Rep
947
Posts

Drives: Racecar
Join Date: Jul 2015
Location: Philly

iTrader: (0)

Sway/rolls bars should be used to fine tune a suspension. Companies that advertise other wise are misleading you to get sales.

Bushings for the sway bars will make little difference. I suggest you look into a better spring and shock combo that is matched correctly to work with each other. Or a coilover or cup kit setup.
Appreciate 0
      08-09-2016, 08:23 PM   #3
justpete
Brigadier General
United_States
1231
Rep
3,778
Posts

Drives: '11 328i '19 M6
Join Date: Jan 2012
Location: DFW

iTrader: (0)

Garage List
2019 BMW M6  [10.00]
2011 BMW 328i  [9.00]
Quote:
Originally Posted by matteblue3er View Post
Sway/rolls bars should be used to fine tune a suspension. Companies that advertise other wise are misleading you to get sales.

Bushings for the sway bars will make little difference. I suggest you look into a better spring and shock combo that is matched correctly to work with each other. Or a coilover or cup kit setup.
^^ What he said.

The spring rates are too low, the car is too heavy, and/or the CG is too high, etc. Roll bars, as he says aren't primary and bushings are nearly negligible in their contribution to roll rate. They'd be the last thing to consider, if then.
__________________
2011 E90 328i 6MT, BMW Aero, CF hood/boot, PI+CAI+RM+3IM+BPC, SS+CI528+ThermoTec+SS#1+2XBurns, AKG 75D eng/trans, Al/Delrin diff/RS, CM 850, UCP, CAE, AKG DSSR, DiffsOnline 3.91 30/90 LSD+BW cooler, C&R, Setrab, Accusump, AST 3-way+Swift, Aurora PR+BW spherical, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, RB/CSL rotors+cooling, 135i calipers, RS29, RT700, Safecraft, OMP HTE-R+804F+QD Superquadro, 6pt cage+FIA, Braille, RT DL1Mk3
Appreciate 0
      08-10-2016, 06:56 AM   #4
Tr1ppy
Second Lieutenant
Tr1ppy's Avatar
36
Rep
279
Posts

Drives: E93 330i M Sport
Join Date: Mar 2015
Location: North West, UK

iTrader: (0)

Brilliant, thanks for the replies guys!

I had a feeling uprating the springs and shocks would be the way to go. Time for some more research
Appreciate 0
      08-12-2016, 08:36 PM   #5
Kgolf31
Brigadier General
Kgolf31's Avatar
459
Rep
4,531
Posts

Drives: 2007 Z4MC, 2012 128i
Join Date: Sep 2008
Location: Ohio

iTrader: (4)

While Stock OE bushings are quite soft, ARB bushings won't gain you much.

Only time I justified swapping ARB bushings was on my old Eibach Swaybar. The Bushings were too wide and starting to create bind on the corner bends of the bar. I swapped to E90 M bushings which were a thinner bushing and helped reduce bar bind. Couldn't notice any NVH either.
Appreciate 1
kenmar21.00
      08-15-2016, 11:47 AM   #6
AtlasM
Captain
AtlasM's Avatar
United_States
285
Rep
615
Posts

Drives: '11 E92 335xi 6MT
Join Date: Jun 2013
Location: Rockville, MD

iTrader: (0)

Garage List
I have poly bushings on my 335xi's stock front sway bar. Totally minor upgrade, I only did it because I upgraded the rear bar to an E93 M3 rear bar and wanted a little something for the front. While some other bushings like the rear subframe are a pretty major upgrade, the sway bar bushings are more just a tiny something extra.
Appreciate 0
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 08:53 AM.




e90post
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