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4100 Series

  • ACS-B1601S
    ACS-B1601S
    AST 4100 Series SPORTLINE - BMW 1 Series (E81/E82/E87/E88), BMW 3 Series (E90/E91/E93) 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 4100 Series SPORTLINE - BMW 1 Series (E81/E82/E87/E88), BMW 3 Series (E90/E...
  • ACU-B1603S (NCO)
    ACU-B1603S (NCO)
    AST 5100 Series Non-Coil Over - BMW 1 M-Coupe (E82), BMW 3 Series M3 (E90/E92/E93) 5100 Series shock absorbers utilize inverted / upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment. The 5100 Series shock absorbers give your... AST 5100 Series Non-Coil Over - BMW 1 M-Coupe (E82), BMW 3 Series M3 (E90/E92/E...