1) Chassis and motor (roadster vs coupe, m54/n52/s54) - Z4MC
2) Which coilover brand? - AST4100
3) What size springs and rates front/rear? - 550lb Front/650lb Rear
4) Is your car track only or street & track? - Street, about 8-10K a year
5) What kind of events and how many events per year? (ie, auto-x, DE, TT, club racing) - 1 to 2 auto-x a year
6) Are you using aftermarket swaybars? - No, but considering Ground Control swaybars
What you didn't ask:
7) What camber/caster units are you using - Vorslag
8) Are you happy with the system you are using? - Yes. Once past 'walking speeds', suspension is really more comfortable than stock. More noise comes in due to less rubber isolation, but true seat in the pants feel is better road isolation.
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