AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) - 1984-1991 BMW 3 Series 323i (E30) Q70 2015 BMW 435i/440i Convertible &

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AST Suspension 5100 Series Coilovers (Includes Front Top Mounts Only) - 1984-1991 BMW 3 Series 323i (E30) Q70 2015 BMW 435i/440i Convertible &The 5100 Series shock absorbers for the 1984 1991 BMW 3 Series 323i (E30) 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