Originally Posted by lucid
Yep, lowering would change things. When I say stock suspension, I mean stock springs. With those, folks have not been able to get more than -1.3 or so.
I can confirm that. All stock e90 M3 just had alignment last week. Asked for max neg camber up front and ended up with -1.0 on the left and -1.2 on the right.
Pre-alignment was -0.5 left and -1.2 right. Car with 6,700 miles, no accidents, no curbs or potholes.
1) Those of you seeing unequal tire wear, check your alignment first.
2) Max stock alignment negative camber (no lowering) is probably -1.2 to -1.4 range (without pulling pins).
3) We probably need to see more data on track tire temps before deciding what the optimal negative camber is for these vehicles (street tires not R-comp).