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Go Back   E46Fanatics > Tuning & Tech > Suspension & Braking

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

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Old 02-19-2011, 09:02 PM   #1
Steven747
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Has anyone tried these FCAB from ecs?

http://www.ecstuning.com/BMW-E46-330...ngs/ES1899439/


Wondering if anyone has these on there car? will these give a better feel than the regular rubber bushings?
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Old 02-21-2011, 06:55 PM   #2
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bump any comments on those bushings? anyone have them installed?
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Old 02-21-2011, 07:01 PM   #3
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look exactly as the FCP groton cheap Chinese stuff.
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Old 02-21-2011, 07:02 PM   #4
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Nahh never tried them.
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Old 02-21-2011, 07:16 PM   #5
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Don't know those particular bushings but they are poly, so I'd give them a thumbs down. I'd recommend these instead:

http://www.ecstuning.com/BMW-E46-330...ings/ES205223/
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Old 02-22-2011, 12:39 PM   #6
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Quote:
Originally Posted by TxZHP04 View Post
Don't know those particular bushings but they are poly, so I'd give them a thumbs down. I'd recommend these instead:

http://www.ecstuning.com/BMW-E46-330...ings/ES205223/
Definitely go with those^^

OEM feel but will last considerably longer. Made by Meyle which is the same as OEM anyways. I wouldn't go poly.
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Old 02-22-2011, 02:56 PM   #7
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great yeah thanks everyone for the comments, much appreciated! ... i guess i just wanted to test out a stiffer ride compared to the oem rubber bushings.. i know treehouseracing.com has some great bushings which are better than powerflex which dont have issues its just i dont think i can afford the price.. the oem's will have to do. thanks
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Old 02-22-2011, 03:11 PM   #8
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Erm...not a big fan of TreeHouse. I had my share of horrendous experiences (product quality + customer service). Their nylon moly deforms over time and the tolerance can be out of range. Soon enough you will heard a clunk everytime you brake.

IMO, go OEM rubber for street. Or go Delrin for occasional track. Everything else in between* seems to be a waste of time and $$$.


*That's right, I tried Powerflex as well.
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Old 02-22-2011, 03:12 PM   #9
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Erm...not a big fan of TreeHouse. I had my share of horrendous experiences (product quality + customer service). Their nylon moly deforms over time and the tolerance can be out of range. Soon enough you will heard a clunk everytime you brake.

IMO, go OEM rubber for street. Or go Delrin for occasional track. Everything else in between* seems to be a waste of time and $$$.


*That's right, I tried Powerflex as well.

I dont agree I went with powerflex on my e30 autoX/DD car. very aggressive suspension set up. They work great.
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Old 02-22-2011, 03:21 PM   #10
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the only things that puts me away from powerflex is the durabillity and life expectancy of it.. i dont mind the squeeking.. cant you mild out the squeeking by liberally applying anti seez? or something around there? i hear about 30% of premature powerflex failures but the other 70% dont and they love it so i really dont know what to do. I have eibach and bilsteins on and its really not that aggressive and im not in the market for sway's yet but i would like the idea of powerflex's ... what do i do ?
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Old 02-22-2011, 04:25 PM   #11
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Get HD - this topic has been beaten to death. Many of us with full on racecars don't use polyurethane bushings - we either use rubber or spherical. Personally, I have all rubber bushings on my racecar except for the subframe bushings which are delrin/aluminum.

Get Rubber.
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Old 02-22-2011, 04:45 PM   #12
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right and im not a noob on searching or anything theres just no deffinitive answer .. it seems to have equal pro's and cons for both but is there anyy bushings that have equal performance tooo powerfle's? or is there not and i just have to go with regular rubber

rubber equal to powerflex's firmness?

Last edited by Steven747; 02-22-2011 at 04:50 PM.
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Old 02-22-2011, 06:10 PM   #13
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No - there is no comparable rubber - but you can COMPROMISE. And the best compromise is HD Rubber.
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Old 02-22-2011, 06:18 PM   #14
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If you install the powerflex correctly and use the grease they provide they wont squeek and will work perfectly. However you can use OEM, HD rubber, poly (80A or D), delrin, or aluminum.


Poly is dead center in that list for a reason - more firm than stock and HD rubber, but not as much noise or damage to other components as delrin or aluminum - remember all those vibration that is now not being absorbed goes straight into other components.
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Old 02-22-2011, 07:22 PM   #15
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I'll be perfectly honest with you. I run a very aggressive suspension setup for street use with Meyle HD CABs. From a performance perspective, I have never once felt that my suspension isn't responsive enough or that I don't have enough road feedback. If you earn your living as a professional race car driver, then spherical is the way to go. For anything else, go rubber. Stick with the stock fluid filled rubber for the ultimate in isolation or HD rubber for longer service life and a touch more feedback. As for everything else in between, I have to agree with Mr. Paddle Shift.
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Old 02-22-2011, 07:49 PM   #16
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ok ill be going with meyle hd's ..

http://www.ecstuning.com/BMW-E46-330...ings/ES205223/

is that the hd's?
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Old 02-23-2011, 09:02 PM   #17
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ok ill be going with meyle hd's ..

http://www.ecstuning.com/BMW-E46-330...ings/ES205223/

is that the hd's?
Yep, they are the HD's. While you are spending money at ECS you may want to consider just picking up the Meyle control arms as well. Awesome replacement for the OEM. They sell the bushings with them as a kit:
http://www.ecstuning.com/BMW-E46-330.../OEM/ES205226/
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Old 02-23-2011, 09:10 PM   #18
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my car does wonder on the highway sometimes which is slightely annoying but i think it might be because of my front bushings.. i just ordered the bushings today so i hope that will fix the issue. hey while im here i guess i can ask you guys.. you know how SOME i highlighted because not all beliieve this but some people say putting aftermarket sway bars on a stock suspension is a bad idea.. i have eibach springs and bilstein shocks and its really the same feel as stock.. would putting a uuc or hotchkis sway bar on make the ride quality bad? thanks
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Old 02-23-2011, 09:28 PM   #19
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No, it won't affect ride quality very much especially if you don't set the rear bar too stiff. When the L and R wheels hit a bump at the same time, the sway bar has absolutely no affect at all. When one wheel hits a bump and the other doesn't, the suspension will suddenly feel a little stiffer though. I would recommend the H&R or Turner bars simply because they require no maintenance.
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Old 02-23-2011, 09:53 PM   #20
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right so it wont have that much effect on ride quality but when in turns it will improve handling alot correct?
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