The only inexpensive coil overs that are well respected from the M community are ST. I suppose it depends on what you expect out of them?
2006 E46 M3 ZCP silver gray on black SMG
|Stoptech BBK ST40 X 355mm| Style 219 wheels|
|Ceramic coated euro headers| Custom 200 cell section 1|
|TTFS Motor & SMG tune, 315 whp| GC coil overs |
|Carbon Fiber Intake|AA GEN3|AC Strut Brace|Eibach/Koni's|CSL/SMG Flash|
|Victory UDP's|HPF Sub Frame Plates| PF Subframe Bushings|Rtab Limiters|PFC DD Front Rotors|