Offset Control Arm Bushings

[James Crivellone]

Are These

Bavarian Autosport Control Arm Bushings - Pair - Urethane - offset for additional caster


the same as the M3 offset bushings? they look the same, just checking before I hit submit =)

[MattM20]

urethane ones arent as good as factory offset bushings from what ive been told. the factory m3 bushings form a slight bond to the control arm and provide a twisting force to bring the arm back to level when say comming out of a hard turn or over a (track) curb. i guess they may also help body roll to a small extent. there's nothing wrong with urethane, but you get the most performance out of the factory offset bushings.

[M-technik-3]

urethane squeaks thou. Factory are good but wear out urethane should have at minimal double the life.

[nando]

factory M3 will last long enough.. the control arms don't last forever anyway, and you should be replacing both at the same time.

[C ///M]

urethane ones arent as good as factory offset bushings from what ive been told. the factory m3 bushings form a slight bond to the control arm and provide a twisting force to bring the arm back to level when say comming out of a hard turn or over a (track) curb. i guess they may also help body roll to a small extent. there's nothing wrong with urethane, but you get the most performance out of the factory offset bushings.

where the hell do you get your info? i've seen entirely too many posts from you with mis-information. Don't take this the wrong way as I dont mean to badmouth you, but I'm just saying you really need to be careful from where you get your research... Factory bushings are rubber. The urethane bushings are more stiff, give more precise feedback, and last longer. YOU DONT WANT an excessive twisting action. Hence why urethane is stiff and doesn't flex like the rubber. Urethane are better than the stock bushings in virtually every way. They *may* squeak, but I guarantee you'll probably barely notice. It depends on what you want from the car. I think James is the kind of driver who would be happier with urethane.

[nando]

as far as the squeaking, you'll only notice it at speeds under 20mph.. any faster and roadnoise will drown it out.

[C ///M]

god that sig is sick

sorry for O/T

[MattM20]

urethane ones arent as good as factory offset bushings from what ive been told. the factory m3 bushings form a slight bond to the control arm and provide a twisting force to bring the arm back to level when say comming out of a hard turn or over a (track) curb. i guess they may also help body roll to a small extent. there's nothing wrong with urethane, but you get the most performance out of the factory offset bushings.

where the hell do you get your info? i've seen entirely too many posts from you with mis-information. Don't take this the wrong way as I dont mean to badmouth you, but I'm just saying you really need to be careful from where you get your research... Factory bushings are rubber. The urethane bushings are more stiff, give more precise feedback, and last longer. YOU DONT WANT an excessive twisting action. Hence why urethane is stiff and doesn't flex like the rubber. Urethane are better than the stock bushings in virtually every way. They *may* squeak, but I guarantee you'll probably barely notice. It depends on what you want from the car. I think James is the kind of driver who would be happier with urethane.

i made it clear in another post about offset bushings and somewhat clear in the first sentence of the last post that its strictly from what ive been told. however i do usually stand behind what i say, except for this and maybe one other exception. i know people who will argue till theyre blue in the face that factory offset CA bushings are superior than urethane. i know i probably couldnt convince you that its from knowledgable sources, but i'm 100% certain their knowledge on e30s is far superior than 99% of the people here.

[C ///M]

i know i probably couldnt convince you that its from knowledgable sources, but i'm 100% certain their knowledge on e30s is far superior than 99% of the people here.

I would like to speak to your source. My next question is what makes you think they are so knowledgeable? The only people qualified to determine whether or not someone is more knowledgeable than 99% of the people on this board is someone, who themselves, is extremely knowledgeable on the e30.

I'm interested in hearing someone tell me rubber is better than urethane. Honestly, I'm not being sarcastic. I want to hear the argument.

[MattM20]

i know i probably couldnt convince you that its from knowledgable sources, but i'm 100% certain their knowledge on e30s is far superior than 99% of the people here.

I would like to speak to your source. My next question is what makes you think they are so knowledgeable? The only people qualified to determine whether or not someone is more knowledgeable than 99% of the people on this board is someone, who themselves, is extremely knowledgeable on the e30.

I'm interested in hearing someone tell me rubber is better than urethane. Honestly, I'm not being sarcastic. I want to hear the argument.

check your PM's

[M-technik-3]

darn I wanted to hear the debate.

[Derek357i]

Herb Adams in Chassis Engineering agrees that urethane bushings are not the best suspension choice where there is movement. It's fine for subframe bushings where there is no moving piece of suspension. He states because urethane is a sticky plastic, it does not allow the smooth suspension movement that is desireable.

He goes on state grease works fine fo a couple weeks until it is all forced out. He says they could be customized to work better by installing grease fittings for regular lubrication.

[modifiede30]

He goes on state grease works fine fo a couple weeks until it is all forced out. He says they could be customized to work better by installing grease fittings for regular lubrication.

Mine have grease fittings on them, and if lubed regularly, they don't make any noise. They are much more communicative, last longer, and even if they do flex due to stickiness, they won't flex nearly as much as rubber, regardless of how hard that rubber was made. Urethane, whether lubed or not, is stiffer, which means you'll always have better feedback, and control. Who cares about noise, hell, my car makes noises all the time from the stiff suspension. If you don't want noises, stick to completely stock.

[aaron_silva]

I'm interested in hearing someone tell me rubber is better than urethane. Honestly, I'm not being sarcastic. I want to hear the argument.

Talk to Steve Dinan. He will school you on how rubber is better than urethane. And believe me, if you met him and talked to him, he would make a believer out of you.

Aaron

[Derek357i]

Mine have grease fittings on them, and if lubed regularly, they don't make any noise. They are much more communicative, last longer, and even if they do flex due to stickiness, they won't flex nearly as much as rubber, regardless of how hard that rubber was made. Urethane, whether lubed or not, is stiffer, which means you'll always have better feedback, and control. Who cares about noise, hell, my car makes noises all the time from the stiff suspension. If you don't want noises, stick to completely stock.

Adams was not stating they flex due to stickiness, he was stating they bind due to stickiness. If your bushings have grease fittings and you grease them regularly, you're sound as a pound. The problem comes in when you have dry urethane bushings on steel.