Originally Posted by S65NAPWR
I don't necessarily need stiffer, just a spring that would match perfectly with struts as-is. Have you tracked your car with the Eibachs? How does it respond?
I did track my old E90 M3 twice on Eibachs and it was great for me, extremely planted and responsive. My limiting factor was the tires.
-2015 F30 320i, Imperial/Oyster, 8AT, ED
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT, ED: Gone
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone