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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Oct-21-2018, 03:15:53 PM   #261
EricSMG
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Default Re: RTAB Monoball Thread

Was about to edit, just saw the subframe thread.
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Old Sun, Oct-21-2018, 03:21:24 PM   #262
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Default Re: RTAB Monoball Thread

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Originally Posted by terraphantm View Post
I’m running brand new stock subframe bushings. I am wondering if I should have gone solid, but too late for that now. May switch to the Motorsport “bushings” at some point.
Second time now I've heard about these Motorsport bushings - do you know the PN or where to acquire them?
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Old Sun, Oct-21-2018, 03:38:32 PM   #263
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Default Re: RTAB Monoball Thread

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Originally Posted by mcfreid View Post
Second time now I've heard about these Motorsport bushings - do you know the PN or where to acquire them?
Part numbers are:

33317749354 (front left)
33317749359 (front right)
33317749355 (rear)

They show up in ECS' catalog, though I don't know if that order would actually go through. I think Performance Eurowerks can get them
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Old Sun, Oct-21-2018, 03:44:09 PM   #264
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Default Re: RTAB Monoball Thread

Quote:
Originally Posted by terraphantm View Post
Part numbers are:

33317749354 (front left)
33317749359 (front right)
33317749355 (rear)

They show up in ECS' catalog, though I don't know if that order would actually go through. I think Performance Eurowerks can get them


Thanks bro.
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Old Sun, Oct-21-2018, 03:50:50 PM   #265
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Default Re: RTAB Monoball Thread

Quote:
Originally Posted by terraphantm View Post
Part numbers are:

33317749354 (front left)
33317749359 (front right)
33317749355 (rear)

They show up in ECS' catalog, though I don't know if that order would actually go through. I think Performance Eurowerks can get them
Any more info on these?
I keep searching and nothing.
Are they solid?
Roll center correction?
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Old Sun, Oct-21-2018, 04:02:32 PM   #266
terraphantm
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Default Re: RTAB Monoball Thread

They're basically solid aluminum cups. They would bring the subframe somewhat closer to the body, which should help with the roll center.
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Old Sun, Oct-21-2018, 04:03:44 PM   #267
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Default Re: RTAB Monoball Thread

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Originally Posted by terraphantm View Post
They're basically solid aluminum cups. They would bring the subframe somewhat closer to the body, which should help with the roll center.
CMP has their own version as well. These are what I'd go with.
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Old Sun, Oct-21-2018, 04:19:05 PM   #268
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Default Re: RTAB Monoball Thread

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Originally Posted by STAATS View Post
Yer I noticed the housing design... it should be lighter as one-piece instead of the SDW setup... I also like that it uses an off-the-shelf part unmodified and PN disclosed... that way you can easily press it out and press in a new one yourself when it dies... super disappointed I didn't get these now... might need to change when my SDWs frag out.
That reminds me, I actually did weigh them. 357g



Don't know what any of the other monoball options weigh. For reference, an OE RTAB weighs 208g according to realOEM
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Old Sun, Oct-21-2018, 04:32:21 PM   #269
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Default Re: RTAB Monoball Thread

I’m worried about the removal of these bushings if they ever have to come out. My TMS bushings are in there TIGHT, and I actually broke my friends rtab tool when installing them.
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Old Sun, Oct-21-2018, 04:37:17 PM   #270
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Default Re: RTAB Monoball Thread

Those RTAB tools break pretty easily in my experience. The only good one IMO is the Koch one.

In any case, as long as these don't turn out to be defective, it's not a big concern of mine. The ball joint should last 100k miles easy. And I suspect the ball joint itself could be pressed in/out while leaving the turner housing in place.
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Discussing RTAB Monoball Thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)