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Old 11-19-2007, 08:10 PM   #1
kpeng
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Bulletproofing your Suspension: What next?

I've done a good amount of work to my suspension, but I was wondering what else you guys would recommend to make it basically "bulletproof." I want to handle better and withstand the occassional track day.

What I've done thus far...

H&R Cupkit
UUC Swaybarbarian Swaybars
Front Strut Brace
M3 Front Control Arm Bushings
Reinforced RTAB w/ Turner Motorsport Limiter Kit
Turner Motorsport Adjustable Rear Control Arms
Rogue Engineering Reinforced RSMs
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Old 11-19-2007, 08:43 PM   #2
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Quote:
Originally Posted by kpeng View Post
I've done a good amount of work to my suspension, but I was wondering what else you guys would recommend to make it basically "bulletproof." I want to handle better and withstand the occassional track day.

What I've done thus far...

H&R Cupkit
UUC Swaybarbarian Swaybars
Front Strut Brace
M3 Front Control Arm Bushings
Reinforced RTAB w/ Turner Motorsport Limiter Kit
Turner Motorsport Adjustable Rear Control Arms
Rogue Engineering Reinforced RSMs


Powerflex CAB's
Front camber adjusters from TMS
KW2 Coilovers
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Old 11-19-2007, 08:45 PM   #3
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I've heard very bad incidents involving Powerflex bushings, so I don't think I'm going to go there. The M3 ones I have in the front now are awesome.

I might do front camber adjusters from TMS.

Coilovers are out of the question for now, I'm happy with the Cupkit anyways. Maybe when the shocks give out
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Old 11-19-2007, 08:48 PM   #4
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The Meyle HD control arms and bushings seem like a rock solid combo, especially with that lifetime warranty and replaceable ball joint
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Old 11-19-2007, 08:48 PM   #5
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I've actually been considering upgrading to ZHP front control arms.
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Old 11-19-2007, 08:49 PM   #6
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Yeah, come to think of it, I've heard similar things about the Powerflex bushings as well.

I think the only true way your sussy would be "bulletproof" would be a set of Motons!!!!
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Old 11-19-2007, 08:50 PM   #7
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I've actually been considering upgrading to ZHP front control arms.
I'd say go with the Meyle instead since you will feel them more and they have a better warranty. Not to mention when the ball joint fails you can actually replace it instead of throwing out the entire arm.

Oh yeah, did you do the 3.91 diff yet? Let us know how that goes
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Old 11-19-2007, 08:52 PM   #8
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I drool every time I see the Moton suspension on the Turner site, lol.

And eek, I'm going to order it tomorrow.
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Old 11-19-2007, 09:45 PM   #9
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Anyone else want to chime in?
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Old 11-19-2007, 09:57 PM   #10
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I drool every time I see the Moton suspension on the Turner site, lol.

And eek, I'm going to order it tomorrow
.
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Old 11-19-2007, 10:10 PM   #11
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Installed correctly, the powerflex CAB's will last longer than their rubber counterparts. Installed incorrectly, not so much. They are of course stiffer as well, which is not to everyone's taste. But you really can't go wrong with those, the M3's or Meyle HD's

Choose a control arm with metal ball joints, either the Meyle's or the ZHP's.

The Vorshlag camber plates are pretty much the best out there in terms of stack-up height and bearing design.

In terms of the major suspension bits, adjustibility is where it's at - the more the better but prioritize it by rebound adjustment, height adjustment, then compression adjustment. Vorshlag has an amazing deal on AST coilovers if you are seriously considering going that route.

And while listed last, but probably should be prioritized first - get lightweight wheels and the best tires you can stand to spend money on.
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Old 11-19-2007, 10:13 PM   #12
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jpr, funny that you mention that. I had JUST looked on car-parts.com to try and find a set of ZHP front control arms for cheap. Unfortunately they don't differentiate between ZHP and regular 330's. But those will probably come if I ever need new control arm bushings.

BTW, another reason why I don't want to go with Powerflex bushings is because my car IS a daily driver. The noise from them would drive me crazy!

While it isn't really suspension, I'm seriously considering subframe reinforcement kits.

Last edited by kpeng; 11-19-2007 at 10:27 PM.
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Old 11-19-2007, 10:21 PM   #13
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i like the direction you're goin!

rear strut bar?
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Old 11-19-2007, 10:47 PM   #14
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jpr, funny that you mention that. I had JUST looked on car-parts.com to try and find a set of ZHP front control arms for cheap. Unfortunately they don't differentiate between ZHP and regular 330's. But those will probably come if I ever need new control arm bushings.
Cheap they are not - they seem to run in the $440~$460 range (Tischer or Turner) per pair as compared to about $300 for the Meyle.

Subframe reinforcement and other more misc bushing replacements are also good ideas, but considering the labor involved in doing it, I'd suggest waiting until you either have to or it's an easy opportunity incidental to other work being done.
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Old 11-19-2007, 10:52 PM   #15
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Good call. Other than that stuff, I really can't think of what else I can do.
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Old 11-29-2007, 03:02 PM   #16
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i just got these installed yesterday, they're GREAT! no more vibration on the highway!

E46 ZHP M Sport Control Arms and Powerflex Bushings $389
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Old 11-29-2007, 03:04 PM   #17
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That's $389 for the set?
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Old 11-29-2007, 03:11 PM   #18
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ct323i, what is that little scrolling thing under the Breaks Most Weeks? i want one. i must have it.
thanks ! ~ sam
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Old 11-29-2007, 03:14 PM   #19
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That's $389 for the set?

yeah and it includes the bushings (these things i think)
and shipping is cheap, like $14 for a huge heavy box, UPS ground

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ct323i, what is that little scrolling thing under the Breaks Most Weeks? i want one. i must have it.
thanks ! ~ sam
it's called a userbar.
http://www.google.com/search?q=userb...006-44,GGGL:en
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Old 11-29-2007, 03:22 PM   #20
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i just got these installed yesterday, they're GREAT! no more vibration on the highway!

E46 ZHP M Sport Control Arms and Powerflex Bushings $389
FWIW, those are the Meyle arms, not the actual BMW ZHP arms. Nothing wrong with that, I've actually got that exact setup on my car, but it's worth being clear.
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