AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) - 2007-2012 BMW 3 Series 320d (E9X) 545i 0T Damping Adjustment 36-Level Single-Knob

0T Damping Adjustment 36-Level Single-Knob Ride-Height Adjustable Yes Damper Construction Monotube Spring Rate - Front 10

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AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) - 2007-2012 BMW 3 Series 320d (E9X) 545i 0T Damping Adjustment 36-Level Single-KnobThe 5100 Series shock absorbers for the 2007 2012 BMW 3 Series 320d (E9X) 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. With the 5100 Series suspension