AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) - 2000-2005 BMW 3 Series 320i Sedan/Touring/Coupe/Convertible (E46) 2017 These B15 Sentra coilovers feature

These B15 Sentra coilovers feature Fortune Auto's Generation 8 monotube damper technology with 24-step adjustable damping

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AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) - 2000-2005 BMW 3 Series 320i Sedan/Touring/Coupe/Convertible (E46) 2017 These B15 Sentra coilovers featureThe 5100 Series shock absorbers for the 2000 2005 BMW 3 Series 320i Sedan Touring Coupe Convertible (E46) 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 car a better performance than the standard twin tube design.