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      01-02-2026, 09:29 AM   #6
pirategenes
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Drives: E90 M3
Join Date: Jan 2018
Location: MI

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Quote:
Originally Posted by Special_K View Post
Curious to know if anyone has run these with BW or similar engine mounts.
Yes, I have the 70A 034 street density transmission mounts on my 6MT and the BW engine mounts. Car is mostly for track and driving to/from events. I think the BW mounts made more of a shifting difference and increase in NVH compared to the 70A 034 street density trans mounts. I still have the occasional 3-2 mis-shift in one part of my home track, which is annoying, but it's better (much less frequent) than it used to be. Now I'm considering upping to the 80A Revshift trans mounts for, hopefully, even more precise 3-2 shifts.

Also a note of warning for something else you mentioned:
Powerflex has a revised front diff bushing mount with an additional washer that resolves the issue that it's prone to tear out. They replaced free for me since my driver side front diff purple mount tore apart in less than a year (~2k total miles and 11 track days). I'm upping all diff mounts to powerflex black while I'm in there replacing the purple. (Fingers crossed this is possible without disconnecting the driveshaft and axles, which will make the job quicker/easier)
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