Solid subframe bushes

[Mike R]

Originally Posted by 0-60Motorsports

GO with Sold Subframe bushings along with a subframe reinforcement kit and keep OE Diff bushes and you will hardly feel any NVH. Best thing you can do for the subframe issue too.

These guys sell everything you will need:

http://cmpautoengineering.com/

Which is where mine are from . The reason I chose these as they are designed to avoid the bump steer that other types create by positioning the beam at the correct height.

Also, as above - no more NVH than standard.

I discussed this in depth with Obioban (Ian off the M3 Forum) as he has fitted every single different iteration of suspension component to his M3 over the years, so because of him, I knew in advance what would make a noise and what wouldn't. So just avoid up-rated engine and gearbox mounts and diff bushes and all will be golden