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4100 Series

  • ACS-B1101S
    ACS-B1101S
    AST 4100 Series SPORTLINE - BMW 3 Series Sedan / Coupe / Convertible / Touring (E46), BMW Z4 Coupe / Convertible (E85/E86) 4100 Series SPORTLINE shock absorbers utilize high performance non-inverted monotube technology to give your car a better performance than the standard twin tube design. With the 4100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to... AST 4100 Series SPORTLINE - BMW 3 Series Sedan / Coupe / Convertible / Touring ...
  • ACS-B1103S
    ACS-B1103S
    AST 4100 Series SPORTLINE - BMW 3 Series M3 Coupe / Convertible (Includes CSL) (E46) 4100 Series SPORTLINE shock absorbers utilize high performance non-inverted monotube technology to give your car a better performance than the standard twin tube design. With the 4100 Series suspension you can adjust rebound with one knob. The adjust platform allows you to adjust the ride height of your car. AST... AST 4100 Series SPORTLINE - BMW 3 Series M3 Coupe / Convertible (Includes CSL) ...