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      01-12-2016, 12:21 PM   #19
Malek@MRF
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Drives: E92 M3, E46 M3, G82 M4
Join Date: Jan 2008
Location: Irvine, California

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Quote:
Originally Posted by HP Autosport View Post
Perhaps their tolerance for NVH is much higher, there is definitely more NVH with solid subframe bushings.
No, there just simply isn't a detectable increase in NVH with solid subframe bushings. Having done nearly 100 of them in house now, none have ever said there is an increase in noise from the sub-frame bushings. The differential bushings, depending on type of material, will increase noise. There is no vibration or harshness increase from differential mounts, just gear whine.
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