Thanks for the answer. I have Turner Motorsport camber plates on my 325Ci and it really helped cut understeer, particularly at autocrosses.
You're right though, I will track the car a few times before I decide whether I need them or not.
Current: 2009 E90 M3 | SG | FR | 6Speed | Akrapovic Evo | JRZ RSONE | StopTech Trophy | Cantrell Brake Ducts
On order: 2016 F80 M3 SO | AB XT1 | ZCP | etc.