the oscellations you describe in the front of the car have nothing to do with the springs. the shocks are designed to dampen the movement of the springs. either the shocks are all wrong for the springs, or they are tired and can't control the weight, assuming they are not adjustable. if they are adjustable, increase both compression and rebount dampening one incriment of adjustment until the unwanted actions cease..good racing

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Chuck Baader
SEDIV ITS #36
E30 BMW