Quote:
Originally Posted by kenmar
I did Koni yellow sports on OEM springs and didn't observe a significant improvement in daily driving, although it was more composed when driving hard. The biggest bang for the buck suspension mod is poly rear upper strut mounts with poly front thrust arm bushings: they make a significant improvement to the floaty XI handling. The only drawback is creaks from the thrust arm bushings if I park with the wheels turned which does go away after a few turns. Along with my M3 rear end parts, the XI now handles amazing. I'm sticking with OEM springs for now because I don't want to deal with the NVH from doing lowering springs.
If you want a noticeable improvement over stock, I would recommend doing the poly bushings first. If you find yourself craving more, then open up the wallet for the other mods (which are significantly more expensive).
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Thanks- would you have a link to the parts list for the poly bushings!!??
Would be great to do them with some bilstein hd -