AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2005-2012 BMW 3 Series 318d (E9X) st x coilovers 14 Kg/mm (400 lbs/in) Spring

14 Kg/mm (400 lbs/in) Spring Rates - Rear 12

will find our KW Variant 2 'Inox-Line' Coilover Kit are their perfect suspension solution

2016 Mercedes-Benz GT AMG (w/ Adaptive Suspension)

2007 Mercedes-Benz E-Class RWD (W211)

1995 Porsche 911 Cabrio (993)

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2005-2012 BMW 3 Series 318d (E9X) st x coilovers 14 Kg/mm (400 lbs/in) SpringThe 5100 Series shock absorbers for the 2005 2012 BMW 3 Series 318d (E9X) utilize non inverted high performance monotube technology. In the past, these were known as the 4100 series. Monotube design shocks absorbers give your car a better performance than the standard twin tube design, the gas pressure is separated by a floating piston, and eliminates cavitation and airation within the oil chamber. The 5100 Series shocks allow rebound adjustment with