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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Wed, Oct-25-2017, 06:03:43 PM   #11
Nate047
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Default Re: Dinan front sway bar question

Nope, the opposite. The car pushes a lot more with a soft front bar. Too heavy a rear bar makes it snappy.
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Old Wed, Oct-25-2017, 07:53:39 PM   #12
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Default Re: Dinan front sway bar question

Got it.

Sorry for misreading your post!

Sounds like you have a great setup. I have AST 4100 coilovers, Vorshlag camber plates and purple Powerflex bushings on my car. Since I already have a set of Dinan 22.5mm front and rear sway bars, I am contemplating whether it's going to make a huge difference if I replace my current setup with them and set the front to stiff and rear to soft.

If I decide to install the Dinan sway bars, I am assuming that I'll need new rear end links and reinforce the rear sway bar tabs as well, no?

If the Dinan sway bars do not offer any or much advantage over my existing Eibach front/stock rear sway bars, I may just sell the Dinan bars and get the ST ones instead.

Any thoughts?

Thanks again!

Jon



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I don't have the Dinan bars, what I meant was I have the 30mm and 24mm setup from ST Suspensions that Braymond was talking about (in the post I quoted.) You could just keep the stock bar in the rear, fair point there. A heavy front bar helps a lot though IMO. The rest of my setup is KW Clubsport coliovers and a gaggle of purple and black Powerflex urethane.
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Old Wed, Oct-25-2017, 09:11:41 PM   #13
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Default Re: Dinan front sway bar question

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Originally Posted by Hasan Shaikh View Post
Does that not cause a lot of understeer?
Yes.

And the E36 is pretty sensitive. I wouldn’t run a thick and/or stiff rear bar.

Everything else being equal.
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Old Wed, Oct-25-2017, 09:37:39 PM   #14
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Default Re: Dinan front sway bar question

Mmmmmmmm okay, just to clarify... A big front bar on the E36 does not in of itself increase understeer. Rear bars should be kept loose or just run the stock bar. Talking about track setup for grip BTW.

Baby M3, I also have the rear sway bar mounting tabs reinforced, a good idea if you have the means. I don't know if the end links are different for the Dinan bars, but I would definitely put fresh links in there when changing the bars regardless. I did all of my suspension upgrades at once so I can only compare to stock, which needless to say is a huge difference LOL. I think a lot of people run stock rear bars on track, unless your setup is pretty hardcore I don't think an upgraded rear bar is really "needed." But the ST bars are really nicely paired with an aggressive coilover/spring, I would recommend them.
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Last edited by Nate047; Wed, Oct-25-2017 at 09:38:33 PM. Reason: clarification
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Old Wed, Oct-25-2017, 09:44:48 PM   #15
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Default Re: Dinan front sway bar question

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Originally Posted by M_Parallel View Post
Yes.

And the E36 is pretty sensitive. I wouldn’t run a thick and/or stiff rear bar.

Everything else being equal.
Correct.

And for everyone else's clarity:

http://store.uucmotorwerks.com/artic...ybar_setup.htm
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Old Wed, Oct-25-2017, 10:18:31 PM   #16
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Default Re: Dinan front sway bar question

Just get the ST setup F/R. Don't waste the money on the Dinan.
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Old Thu, Oct-26-2017, 12:14:17 AM   #17
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Default Re: Dinan front sway bar question

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Originally Posted by Jim E. View Post
Correct.

And for everyone else's clarity:

http://store.uucmotorwerks.com/artic...ybar_setup.htm
Jim, you're normally 100% spot on...but not on this one.

While the general rule is a larger front bar will increase understeer and that is true for most platforms. The e36 is not one of those. The e36, with its camber gain limited McPherson strut front and soft spring rate, will benefit from having a larger front bar set to a stiff setting. That additional spring rate from the larger bar will add roll stiffness to the front, keeping what little camber it has still negative.

It's counter intuitive, but it works on this chassis.
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Old Sun, Oct-29-2017, 12:58:53 PM   #18
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Default Re: Dinan front sway bar question

Great. Thanks guys. Appreciate the feedback.
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Discussing Dinan front sway bar question in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)