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Old 07-02-2019, 02:23 PM   #1
76m2002
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Location: Rochester, NY
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My Ride: 2002 325iT
Monoball experience

Has anyone tried the Turner (or other brand) monoball FCABs and RTABs? Can you compare them to polyurethane for NVH? This is for a 2002 325iT that is a dual-duty track/daily driver. I'd like the improved steering for the track and don't mind a little increase NVH, but I don't want it to clank like a full, metal-metal racecar. This is my daily driver, but it already has Koni sport shocks, H&R race springs, and Hotchkis sway bars, so its no longer stock.
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Old 07-05-2019, 07:42 PM   #2
Schmidty_
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My Ride: 05 ZHP 12 X5M 14 235
Year: 2005
Model: 330i ZHP MBM Sedan
Transmission: A/T
I did the "Camry" upgrade RTABs in my ZHP, they tightened the rear up a little. They are a sealed spherical bearing from MOOG, PN# K200786.
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Old 07-06-2019, 07:00 AM   #3
Bmsluite
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For FCAB I would go with Z4M bushings. They are solid rubber but offset. It greatly improves the steering feel. Basically transforms the whole car. No extra NVH

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Old 07-07-2019, 10:03 AM   #4
Schmidty_
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Join Date: Oct 2018
Location: Louisiana
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My Ride: 05 ZHP 12 X5M 14 235
Year: 2005
Model: 330i ZHP MBM Sedan
Transmission: A/T
For the front, yes the Z4M CAB helps with the geometry. If you want monoball/spherical bearing for the FCAB, the M3 strut and top hat change the geometry a lot and was a significant improvement for the ZHP.
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2005 ZHP Mystic Blue Metallic Sedan - (1/19 in NA) Koni Sport M3 struts, Eibach M3 Springs, M3 rear brace, Powerflex Black FCAB, "Camry" MOOG RTABs, K&N Intake, G.A.S. DISA, G.A.S. Rad Cap, SAP Delete

2012 X5M Black Sapphire Metallic - JB4, DownPipes, Exhaust

2014 M235i Mineral Gray Metallic 6MT - JB4 w/ MHD BEF, CP, TIC, DP, I, E, Pure Inlet, N20 MAP, BMS Oil Cooler Valve, F80 Rear Brace, GC Camber Plate
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Old 07-07-2019, 10:10 AM   #5
76m2002
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Thanks for the suggestions. I've been running the Z4M offset FCAB, and just ordered the Powerflex black offset equivalent. For the rear, I opted for the Bimmerworld RTAB bearing replacement kit, which replaces the bushing with a sealed bearing, as used in the rear outer control arm. This was not as cheap as the Camry option (which I really like) but was about half the price of the Turner or GC equivalent.
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Old Yesterday, 05:34 PM   #6
E46Newbz
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Quote:
Originally Posted by Bmsluite View Post
For FCAB I would go with Z4M bushings. They are solid rubber but offset. It greatly improves the steering feel. Basically transforms the whole car. No extra NVH

Sent from my VS988 using E46Fanatics mobile app
Sorry for the noob question but how does it being offset help? I'm in need of new front bushings myself. Thanks.
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Old Yesterday, 05:45 PM   #7
76m2002
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My Ride: 2002 325iT
It changes the geometry of the control arm slightly, and gives you a bit of positive caster, which improves high speed stability.
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Old Yesterday, 06:29 PM   #8
E46Newbz
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Thanks, boss. I'll look into getting a set.
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