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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 04-25-2012, 03:17 PM   #21
sakumaxp
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Originally Posted by wildpig View Post
So for all of yall out there, is there any other way of knowing if your rtab need replacing beside just early tire wear? I mean can this be determined visually by taking the tires off somehow?
also when your cornering at highspeed your car might, "wiggle"
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Old 05-05-2012, 07:45 PM   #22
AlbertM3
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Update :

Put on the Powerflex rtabs today. The were pretty shot. Got two used 255 35 19 tires for 50$ each so I can In case the problem isn't fixed. Going to go an get another alignment on Monday. Hopefully this fixes the problem. Anything else I am missing here????
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Old 05-05-2012, 07:51 PM   #23
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If you haven't changed the FCAB's I would. They are probably shot as well.
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Old 05-05-2012, 08:35 PM   #24
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Same Powerflex ones I'm assuming?
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Old 05-05-2012, 08:42 PM   #25
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Same Powerflex ones I'm assuming?
Yup.
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Old 05-05-2012, 09:01 PM   #26
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Same Powerflex ones I'm assuming?
OEM is my preference. Polyurethane is to harsh a ride for me.
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Old 05-06-2012, 08:43 PM   #27
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I just went through this!!! take the car to bmw and make sure they print out your papers. I took mine to 2 other shops and they didnt do my alignment right. BMW will get it right! or tell you what parts youll need. its only $130 for a bmw alignment
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Old 05-06-2012, 10:00 PM   #28
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I'm surprised poly would be harsh of a ride considering its part in the suspension system. Id bet dropping tire psi 1-2 lbs would negate any harshness (probably overkill at -2 psi). Nvh though can't really argue with I'm sure it's more with poly although if anyone listens to music or knows what a cd player is its probably not an issue.

Glad to see you got it sorted. Remember you 'should' be doing an alignment on new or evenly work tires I hope your new used ones are worn evenly.
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Old 05-06-2012, 10:44 PM   #29
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If you haven't changed the FCAB's I would. They are probably shot as well.
I agree if your rtabs are shot fcabs are probably worn although the issue seems to be with the rears primarily.

I'm not all that familiar if it's common on the e46 chassis but the rear lower control arms on other cars I've had sometimes don't hold their camber when worn. I've had an alignment once where the camber was set and when I drive away my camber looked crooked. I went back and sure enough the adjustment bolts were worn and wouldn't hold a setting.

I went and bought a rtab tool, the same poly rtabs and adj control arms. I'm going to be switching my new winter fronts to the back to make sure the alignment machine gets it accurate and then I'll put my rims on. Then I'll be buying new tires.
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Old 05-07-2012, 09:37 PM   #30
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Yup.
Should I get the Control Arm Bushing that already comes with a Bracket? Is it necessary to change out the brackets?
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Old 05-07-2012, 09:38 PM   #31
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Glad to see you got it sorted. Remember you 'should' be doing an alignment on new or evenly work tires I hope your new used ones are worn evenly.
thanks, didn't know that.
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Old 05-07-2012, 09:39 PM   #32
AlbertM3
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I just went through this!!! take the car to bmw and make sure they print out your papers. I took mine to 2 other shops and they didnt do my alignment right. BMW will get it right! or tell you what parts youll need. its only $130 for a bmw alignment
cool, my place charged me 65 but not planning on going there anymore. i'm gonna call bmw in the morning.
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Old 05-07-2012, 09:48 PM   #33
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Should I get the Control Arm Bushing that already comes with a Bracket? Is it necessary to change out the brackets?
It'll make life easier.
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Old 05-22-2012, 11:43 AM   #34
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It'll make life easier.
See above -- what he said.

To that end, I am selling factory bushings pre-pressed into used housings. See the below link...

http://www.m3forum.net/m3forum/showthread.php?t=376064
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