AST Suspension 5100 Series Coilovers (Includes Front/Rear Top Mounts) (True Coilover) - 2007-2013 BMW 1 Series 123d (E8X) tein-street-advance-z4-coilovers 2014 Porsche Boxster RWD (981)

2014 Porsche Boxster RWD (981)

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AST Suspension 5100 Series Coilovers (Includes Front/Rear Top Mounts) (True Coilover) - 2007-2013 BMW 1 Series 123d (E8X) tein-street-advance-z4-coilovers 2014 Porsche Boxster RWD (981)The 5100 Series shock absorbers for the 2007 2013 BMW 1 Series 123d (E8X) 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