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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 Sat, Mar-11-2017, 02:23:52 PM   #1
kyrix1st
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Default Rear sway bar endlink touching wishbone

Obviously, it's the aftermarket spring I've put in.

However, I have no idea what the stock one's uncompressed length is.

Can anyone care to give the details? Thinking of putting in 225mm (9 inch), with spring rate of 9kgf/mm (503lbs/in.)

I don't want to lower the rear too much but I would definitely not raise it.
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Old Sat, Mar-11-2017, 03:06:01 PM   #2
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Default Re: Rear sway bar endlink touching wishbone

http://www.uucmotorwerks.com/html_te..._m3_spring.htm

Found the data for anyone wondering.
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Hella headlights//
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Old Mon, Mar-13-2017, 06:32:21 AM   #3
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Default Re: Rear sway bar endlink touching wishbone

So it turns out I had 6 inch 900 lbs/in lowering springs.

I tried 8 inch 18kgf/mm (1007 lbs/in)but it was impossible to put back RTAB after putting in the spring because the spring was so stiff it would not let me align.

I like the stiffness as it is, but I'm afraid if I make the springs longer, the same thing would happen.
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Recaro SPG, SR-2//
Sparco 35cm steering//
Motorsport Style 24 7.5J//GruppeM ram air//LTW rear spoiler//
Hella headlights//
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Old Mon, Mar-13-2017, 07:38:45 AM   #4
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Default Re: Rear sway bar endlink touching wishbone

Have you considered adjustable end links?
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Old Mon, Mar-13-2017, 03:57:06 PM   #5
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Default Re: Rear sway bar endlink touching wishbone

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Originally Posted by Evtron View Post
Have you considered adjustable end links?
Yes I did, but I don't know how effective it would be given that my sway bars are already on the verge of touching drive shafts. Do you set it up so that sway bar goes above the drive shafts?
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Recaro SPG, SR-2//
Sparco 35cm steering//
Motorsport Style 24 7.5J//GruppeM ram air//LTW rear spoiler//
Hella headlights//
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Old Mon, Mar-13-2017, 04:12:02 PM   #6
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Default Re: Rear sway bar endlink touching wishbone

The sway bar goes between the half-shaft and the lower control arm.

Adjustable end links should solve your problem, as long as your suspension components aren't bent or damaged. Can you post a pic of the interference?
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Old Mon, Mar-13-2017, 07:44:30 PM   #7
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Default Re: Rear sway bar endlink touching wishbone

Why are you trying to install the RTAB after installing the spring? RTABs don't come out to remove the springs, only the shocks need to be unbolted.
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Discussing Rear sway bar endlink touching wishbone 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)