Hi, what geometry setup do you guys run on M3 RS? The car has KW Clubsports set for recomended damping, purple powerflex bushes all over the car. I am not pleased with the car behaviour when on B roads. The car dances from side to side and it's not stiff as it was meant to be. On the picture below is my actual geometry setup (up is before, down is actual). Would you run less camber for B roads?
-2 isn't huge camber tbf, the characteristics that you describe are pretty common for running stiffer suspension etc.
It´s -2°20" = 2,3° and it´s maximum camber on KW top mounts. Stock Clubsport srings are about the same stiffness as stock cup srings - 70N/mm. The damping is perceft, there must be something wrong elsewhere... I just wonder to know what other people run with modified (track) cars.
Your current geo looks in the ball park (mostly) I’d run bit less camber up front on road car (2deg max) but think what you’re not liking is not geo related, have you opportunity to try another car with similar set up, give yourself a ref
What's going on with your rear camber, or lack of it ? A little toe out (neg) at the front will give you better turn in at the expense of a bit of straight line stability. Front toe in (pos) will make the car feel more stable in a straight line at the expense of some better turn in. At the rear toe out (neg) works the same makes the car turn in better and gain to in (pos) helpsnwith straight line stability at the expense of turn in. If it was me I would set the toe to zero front and back (rear needs toe shims) add camber shims to the rear to get between -1.5 to -1.75 camber and see how the car feels . Then adjust toe one end at a time to get the car to hand the way suits your driving style. You can also play with roll bars as a rule of thumb increase front roll bar size willreduce oversteer, increase rear roll bar size will increase over steer.
