Quote:
Originally Posted by MightyMouseTech
The M3 bushings are direct fit in our 135i subframe. Fair bit of work to install. First thing I did to my car. I also tried the inserts in my E90, and the results are not as good, and they transmit more noise. Will be removing the inserts and installing M3 bushings in that car some day.
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I had the inserts in my 135i and hardly noticed a difference. In hindsight I wish I would've went with the M3 bushings.