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Suspension & Braking
Have some questions about suspension or brake setups for your E46 BMW? Get all your answers here!

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Old 07-25-2012, 12:30 PM   #41
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Originally Posted by E46Mango View Post
you talking about the front control arm bushing right? it's called the front control arm bushing. what didn't he do a great job at? need more info.
well he said it a couple different ways and wasnt sure at first what it was, as i also havent any knowledge of suspension related parts, so i was very confused. so i wanted to double check on here before i ordered the wrong part.

So what your saying is the rear wheels/suspension etc (not the front) has a front control arm and that control arm has a bushing. if so that sounds like what he was explaining
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Old 07-25-2012, 12:38 PM   #42
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Both the front and rear have bushings. 23 combined in fact. sounds like no matter how much explaining we do, you're going to be confused. you need to get under the car yourself and explore, observe, and take notes.
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Old 07-27-2012, 09:28 AM   #43
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Thanks for the thread, just what I was looking for!

The control arms in the front need to be changed because of the link that goes bad and can't be serviced, right? Do the rear trailing arms ever need to changed, or can you just change the RTAB's and that's it?
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Old 07-27-2012, 09:33 AM   #44
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rear trailing arms are lifetime. they're just pieces of metal with holes in it for bushings (3 to be exact)

the front stockers have a balljoint thats permanent. only reason why you need new control arms. (It may be able to be pressed out but theres no replacements, at least not that I know of)
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Old 07-27-2012, 09:55 AM   #45
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rear trailing arms are lifetime. they're just pieces of metal with holes in it for bushings (3 to be exact)

the front stockers have a balljoint thats permanent. only reason why you need new control arms. (It may be able to be pressed out but theres no replacements, at least not that I know of)
Yeah that's what I was talking about! The ball joint in the FCA goes bad over time... My ZHP currently has 95,000 miles on the stock control arms, and the right quality is sh*t! I found someone who is selling a brand new ZHP suspension (control arms, shocks & struts, bump stops, sway bar & bushings, and all related hardwares, ZHP springs that are slightly used, new Powerflex sway bar bushings, Energy Suspension bushing grease and a pair of BMW OEM front sway bar end links) for $800-900 still haggling on the price. One control arm (ZHP) costs Price: $329.95 (USD) on Turnermotorsprots, I think this is a pretty good deal... no?

Any advice/thoughts would be appreciated. Btw, my suspension components have not been touched yet so it seems a refresh would be good of all components.
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Old 07-27-2012, 09:58 AM   #46
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Yeah that's what I was talking about! The ball joint in the FCA goes bad over time... My ZHP currently has 95,000 miles on the stock control arms, and the right quality is sh*t! I found someone who is selling a brand new ZHP suspension (control arms, shocks & struts, bump stops, sway bar & bushings, and all related hardwares, ZHP springs that are slightly used, new Powerflex sway bar bushings, Energy Suspension bushing grease and a pair of BMW OEM front sway bar end links) for $800-900 still haggling on the price. One control arm (ZHP) costs Price: $329.95 (USD) on Turnermotorsprots, I think this is a pretty good deal... no?

Any advice/thoughts would be appreciated. Btw, my suspension components have not been touched yet so it seems a refresh would be good of all components.
Sounds kind of pricey. You could just get Meyle HD WITH new bushings and brackets. that's what I have. $330 shipped from oembimmerparts.com. Get Meyle HD endlinks, swaybar bushings. you really don't need to spend more than $500 on that kind of hardware. you have a ZHP? whats wrong with your springs? btw, there's no special ZHP springs. they're just sport package springs. its the dampers that are different.
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Old 07-27-2012, 10:17 AM   #47
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I thought you had a 3 day weekend? Why are you up at 8!?!?!?!?
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Old 07-27-2012, 10:17 AM   #48
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Sounds kind of pricey. You could just get Meyle HD WITH new bushings and brackets. that's what I have. $330 shipped from oembimmerparts.com. Get Meyle HD endlinks, swaybar bushings. you really don't need to spend more than $500 on that kind of hardware. you have a ZHP? whats wrong with your springs? btw, there's no special ZHP springs. they're just sport package springs. its the dampers that are different.
Yes, I have a lovely ZHP. I was told I need new FCAB's, and new control arms, do the sway bars themselves go bad over time or only the bushings go bad? I have a ZHP so I must replace it with ZHP components. The way I figure is, if I get only ZHP control close to $700 with shipping for the control arms.
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Old 07-27-2012, 10:23 AM   #49
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I thought you had a 3 day weekend? Why are you up at 8!?!?!?!?
I have a job to do

Actually today I am working.

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Yes, I have a lovely ZHP. I was told I need new FCAB's, and new control arms, do the sway bars themselves go bad over time or only the bushings go bad? I have a ZHP so I must replace it with ZHP components. The way I figure is, if I get only ZHP control close to $700 with shipping for the control arms.
Only the bushings.

And no you don't have to replace it with "zhp components"
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Old 08-09-2012, 08:51 PM   #50
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Okay thread bump. Wrong on the part numbers for the struts/shocks for some uses, right for others. Correction:

Struts:

Strut Left- ZHP/BMW Performance/Sport Suspension from 09/01, p/n- 31312282459
Strut Right- ZHP/BMW Performance/Sport Suspension from 09/01, p/n- 31312282460

Strut Left- Non-sport from 04/01 (09/01), p/n- 31306757043
Strut Right- Non-sport from 04/01 (09/01), p/n- 31306757044

Strut left- Sport up to to 04/01 (09/01), p/n- 31316750791
Strut right- Sport up to 04/01 (09/01), p/n- 31316750792

Strut left- Non-sport up to 04/01 (09/01)- 31316759561
Strut right- Non-sport up to 04/01 (09/01)- 31316759562

Strut Left- M Technik Suspension, 11/00 through 04/01- 31312282097
Strut Right- M Technik Suspension, 11/00 through 04/01- 31312282098

Shocks:

Non-sport to 04/01 (09/01), pn: 33521096366
Sport to 04/01 (09/01), p/n: 33521095913

Non-sport from 04/01 (09/01), p/n: 33526757045
ZHP/BMW Performance/Sport Suspension from 09/01 (09/01), p/n,: 33522282461

M-Technik 2 Rear Shocks, 11/00 through 04/01, p/n-33522282099

The 04/01-09/01 dates have conflicting information, so if your car was built in that range you'll need to examine your original parts closely.

Sport struts/shocks up to 04/01 were Sachs Advantage. These are much better quality struts than the sport struts from 04/01, which were Sachs Super Touring, their base damper. Sachs Advantage apparently carry a lifetime warranty and go toe to toe with Bilstein HDs, while Super Touring struts carry no such warranty and compare with the Bilstein Touring Class struts.

Bilstein Touring Class struts are a great budget shock/strut combination, as are Koni Str.Ts. These both have OE quality- or close to it- and come in less than Sachs replacements.

Control Arms: ZHP CA's have better balljoints, and imo are worth the upgrade. If you have a ZHP I wouldn't recommend Meyle CA replacements, as you will not be improving anything at the very least. Meyle HD FCABs on the other hand- are a nice product.
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Last edited by Grande D; 08-09-2012 at 08:57 PM.
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Old 08-10-2012, 09:48 AM   #51
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Okay thread bump. Wrong on the part numbers for the struts/shocks for some uses, right for others. Correction:

Struts:

Strut Left- ZHP/BMW Performance/Sport Suspension from 09/01, p/n- 31312282459
Strut Right- ZHP/BMW Performance/Sport Suspension from 09/01, p/n- 31312282460

Strut Left- Non-sport from 04/01 (09/01), p/n- 31306757043
Strut Right- Non-sport from 04/01 (09/01), p/n- 31306757044

Strut left- Sport up to to 04/01 (09/01), p/n- 31316750791
Strut right- Sport up to 04/01 (09/01), p/n- 31316750792

Strut left- Non-sport up to 04/01 (09/01)- 31316759561
Strut right- Non-sport up to 04/01 (09/01)- 31316759562

Strut Left- M Technik Suspension, 11/00 through 04/01- 31312282097
Strut Right- M Technik Suspension, 11/00 through 04/01- 31312282098

Shocks:

Non-sport to 04/01 (09/01), pn: 33521096366
Sport to 04/01 (09/01), p/n: 33521095913

Non-sport from 04/01 (09/01), p/n: 33526757045
ZHP/BMW Performance/Sport Suspension from 09/01 (09/01), p/n,: 33522282461

M-Technik 2 Rear Shocks, 11/00 through 04/01, p/n-33522282099

The 04/01-09/01 dates have conflicting information, so if your car was built in that range you'll need to examine your original parts closely.

Sport struts/shocks up to 04/01 were Sachs Advantage. These are much better quality struts than the sport struts from 04/01, which were Sachs Super Touring, their base damper. Sachs Advantage apparently carry a lifetime warranty and go toe to toe with Bilstein HDs, while Super Touring struts carry no such warranty and compare with the Bilstein Touring Class struts.

Bilstein Touring Class struts are a great budget shock/strut combination, as are Koni Str.Ts. These both have OE quality- or close to it- and come in less than Sachs replacements.

Control Arms: ZHP CA's have better balljoints, and imo are worth the upgrade. If you have a ZHP I wouldn't recommend Meyle CA replacements, as you will not be improving anything at the very least. Meyle HD FCABs on the other hand- are a nice product.
I don't really have time anymore to go through all the part#s but if you're absolutely sure, I'll copy/paste the info you just wrote with respect to the part #s. I updated it a couple times based on info people are feeding me.

As far as ZHP CAs having better balljoints, how so? A balljoint is either solid or its not. You talking about durability/longevity? There are a few members around here w/ 100k+ mile Meyle control arms. TTitaniumCranium is one that comes to mind. I'd suspect you'd replace your balljoints around 100k anyway (if you were given the option)

Believe me I'd love the ZHP arms... I just missed that very good sale and I like having the option to replace the balljoints. As you can see from the following thread of mine, they don't look that bad!

http://forum.e46fanatics.com/showthread.php?t=841749
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Old 08-10-2012, 10:16 AM   #52
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I don't really have time anymore to go through all the part#s but if you're absolutely sure, I'll copy/paste the info you just wrote with respect to the part #s. I updated it a couple times based on info people are feeding me.

As far as ZHP CAs having better balljoints, how so? A balljoint is either solid or its not. You talking about durability/longevity? There are a few members around here w/ 100k+ mile Meyle control arms. TTitaniumCranium is one that comes to mind. I'd suspect you'd replace your balljoints around 100k anyway (if you were given the option)

Believe me I'd love the ZHP arms... I just missed that very good sale and I like having the option to replace the balljoints. As you can see from the following thread of mine, they don't look that bad!

http://forum.e46fanatics.com/showthread.php?t=841749
No, the Meyles don't look bad at all! I would hesitate to replace with a "generic" part one of the few ZHP pieces that is actually different, compared to how much is supposed to be. Secondly, the steering feel is certainly different (imo) in the zhp, so whether or not the rack is different, I bet the CAs have something to do with the steering feel.

Copy and paste it or don't- that's fine. I'm sure I'm right. The only questionable area is 04/01-09/01.

I was considering getting a shock dyno of some working stock shocks (sport pre and post 01) and koni's that I have, but then I was told I'm weird for considering that.

Did you know about the M Tech shocks made for 5 months? I sure as hell didn't (until another member told me so recently).
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Old 08-13-2012, 07:27 AM   #53
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Please explain the difference between the M-Tech shocks and the ZHP/performance ones
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Old 08-13-2012, 11:33 AM   #54
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I don't know the difference, but you can only get genuine BMW M-Tech shocks. I have not bought them nor have I seen any explanation, I've never seen any literature on them, etc.

ZHP shocks are the same as sport shocks for the model years and production dates I listed. The 01> sport shocks are higher quality than the 01< sport shocks, so buy some sport pre-01 Sachs replacement shocks, Bilstein Touring Class shocks or Koni Str.Ts, for a good quality budget setup.
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Old 08-13-2012, 11:42 AM   #55
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No, the Meyles don't look bad at all! I would hesitate to replace with a "generic" part one of the few ZHP pieces that is actually different, compared to how much is supposed to be. Secondly, the steering feel is certainly different (imo) in the zhp, so whether or not the rack is different, I bet the CAs have something to do with the steering feel.

Copy and paste it or don't- that's fine. I'm sure I'm right. The only questionable area is 04/01-09/01.

I was considering getting a shock dyno of some working stock shocks (sport pre and post 01) and koni's that I have, but then I was told I'm weird for considering that.

Did you know about the M Tech shocks made for 5 months? I sure as hell didn't (until another member told me so recently).
For all intents and purposes, Meyle arms=ZHP arms=///M3 arms are all identical in that they have solid balljoints. There would be no difference in steering feel. if anything, they meyles would feel better/more direct since they have stiffer control arm bushings.

I already squashed this to death in another thread with the help of someone else. even the non-M nylon inner balljoint arm has the same casting as the ZHP arm. only the inner balljoint differs.

moral of the story=there's absolutely no magic to the zhp arms over any other all-metal arm like Meyle.

i'll edit the part#s soon. it really gives me a headache looking at all those #s.
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Old 08-13-2012, 12:18 PM   #56
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Old 08-13-2012, 12:52 PM   #57
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Mango and ZHP- you guys should note and possibly look into the differences between Sachs Touring Class and Sachs advantage. Sachs Advantage is supposed to be much much better
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Old 08-13-2012, 12:55 PM   #58
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Mango and ZHP- you guys should note and possibly look into the differences between Sachs Touring Class and Sachs advantage. Sachs Advantage is supposed to be much much better
they don't pay me enough.
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Old 08-13-2012, 01:06 PM   #59
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Old 08-13-2012, 01:34 PM   #60
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Hey Guys, I have a quick question. I am changing to Meyle HD RSMs with z3 reinforcement plates and M3 RTABs with limiters.

But I was thinking if I have to get the alignment done after RTABs why not do the FCABs as well. Also getting a little steering wheel play and vibration on hard braking.

Hence, checking some parts on BMA and came accross Meyle HD FCABs.
Do you guys recommend Meyle HD bushing set(just bushings and screws) pno: 37306015502 or along with the meyle HD bushing support(carrier) with the bushings pressed in pno: 37306072502?
I am pretty sure that the CAs are stock on mine.


Also, it says that "only to be used with updated brackets". So, if I buy just the bushings, will I be able to fit them in the stock carriers?
When was the brackets updated? I have an 01
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