AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 2005-2012 BMW 3 Series 318d (E9X) Oldsmobile 1997 Mazda Protege ES (BH/BJ)

1997 Mazda Protege ES (BH/BJ)

Part Number: ACU-V1901S

1983 BMW 5 Series 528e (E28)

// 7 Kg/mm Spring Rates - Rear 120 N/mm // 685 lbs/in

2012 Audi TT Coupe Quattro (w/o magnetic ride)

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 2005-2012 BMW 3 Series 318d (E9X) Oldsmobile 1997 Mazda Protege ES (BH/BJ)The 5100 Series shock absorbers for the 2005 2012 BMW 3 Series 318d (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