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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > Control Arm Bushing Upgrade for XI?



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      10-20-2017, 11:46 AM   #199
Julian2485
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How do the red powerflex bushings ride and handle potholes and such?

I know normal bushings are fairly brutal when you hit the occasional hole to hell.
That's bad shocks, not bushings. Not sure why people are so enamored with the red Strongflex, I have replaced everything with yellow and there's no difference in noise or vibration and the handling is dramatically better.

The only thing I'm not doing with the stiffer poly is the rear subframe, which I'm doing with billet aluminum. All the new M cars have solid bushings and I have not noticed any NVH change in cars with solid rear subframe bushings, and the handling is night and day better.

The only bushing that I can tell has any contribution to NVH is the rear diff carrier bushing, and the yellow is fine there too.
When do you plan on putting the solid mounts in
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      10-20-2017, 06:21 PM   #200
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When do you plan on putting the solid mounts in
Not sure, Tetsuo has had them, they were awesome.
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      10-20-2017, 06:24 PM   #201
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When do you plan on putting the solid mounts in
Not sure, Tetsuo has had them, they were awesome.
Ok I wanted to know how they ride when you install them right now I have a m3 bushings in and they did make a difference. Doesn't tetsuo have that special xi front control arm bushing made from some company which their name eludes me at the moment
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      10-21-2017, 11:37 AM   #202
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Originally Posted by Julian2485 View Post
Ok I wanted to know how they ride when you install them right now I have a m3 bushings in and they did make a difference. Doesn't tetsuo have that special xi front control arm bushing made from some company which their name eludes me at the moment
How do you have M3 front bushings in an AWD?
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      10-21-2017, 11:39 AM   #203
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Originally Posted by Julian2485 View Post
Ok I wanted to know how they ride when you install them right now I have a m3 bushings in and they did make a difference. Doesn't tetsuo have that special xi front control arm bushing made from some company which their name eludes me at the moment
How do you have M3 front bushings in an AWD?
No I have rear m3 subframe bushings. In the front I have the strongflex poly bushings
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      10-21-2017, 04:57 PM   #204
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Ok I wanted to know how they ride when you install them right now I have a m3 bushings in and they did make a difference. Doesn't tetsuo have that special xi front control arm bushing made from some company which their name eludes me at the moment
Not on the new car.

The best rear subframe bushings I have seen are the MRF Enginering ones. They are not cheap, but they are beautiful, as are the Turner ones.

http://www.mrfengineering.com/mrf-en...e-bushing-set/
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      Today, 11:12 AM   #205
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Not on the new car.

The best rear subframe bushings I have seen are the MRF Enginering ones. They are not cheap, but they are beautiful, as are the Turner ones.

http://www.mrfengineering.com/mrf-en...e-bushing-set/
Whiteline makes one for a fraction of the cost. Anyways we are getting off topic. RSFB have been discussed to death since they are the same as RWD cars.
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