AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2005-2012 BMW 3 Series 330d (E9X) i3 Blue (ZN6) utilize the latest

Blue (ZN6) utilize the latest technology synthetic elastomer combined with effective designs such as the internal bore knurling and grease retention lips for optimum lubrication and performance

Part Number CHD191-RR Damping Adjustment 36-Way Height Adjustable Yes Spring Rate (Front) 18

Add to that engine bat contaminants to your 2002-2004 Subaru Impreza WRX Base

Part Number GSH00-71SS1 Part Name Mono Sport Coilovers Vehicle 1995-2000 Honda Civic VTI

2012 Porsche 911 (w/ PASM)

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2005-2012 BMW 3 Series 330d (E9X) i3 Blue (ZN6) utilize the latestThe 5100 Series shock absorbers for the 2005 2012 BMW 3 Series 330d (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