Eibach | Pro-Kit Lowering Springs (BMW M3 E46)E46 M3 Eibach Pro Kit Lowering Springs Offering a boost in terms of both performance and aesthetics, this E46 M3 Eibach Pro Kit of springs is designed for your legendary German performance car. The kit works to lower your vehicle's centre of gravity, which in turn reduces squat during acceleration; body roll when going around corners; and excessive nosedive while braking. Each and every kit undergoes rigorous testing at the hands of Eibach's