I cannot get H&R sport springs on Tire Rack or the other vendors (like Vivid Racing). Can you tell us where you ordered them from? Also, how long was the installation? I was told about 5.5 hours which seems too long.
Gone but not forgotten: 2008 BMW135i Vert
Gone but not forgotten: 2011 MB C63 AMG
Added: 335i, BSM/BLK, M-sport, Sp. Auto, Prem, Tech, HK, 19", lots of Plastidip, H&R Sport, 245/255 Ventus V12