im happy with my hr sports. drop is nice. ride feels good to me. i am on stock struts/shocks. i might switch to koni yellows one day.
you would need to ask someone who has been the coilover route and hr. i have never driven a 3 with coilovers so i may not know what i am missing.
2006 330i - Jet Black - 19" E46 M3 wheels - HR Sport - 206,000 Miles...