AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 2005-2011 BMW 3 Series 328i (E9X) F-100 The 5200 Series for the

The 5200 Series for the 2003-2007 Subaru Impreza WRX (GG/GD PCD 5x100) are 2-way adjustable shock absorbers which are based upon competition 3-way adjustable shock absorbers

the Executive is the air suspension the Kia Optima deserves

/ 25 mm Vehicle Fitment

AST Lowering Springs for the 2002-2008 Audi A4 are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 2005-2011 BMW 3 Series 328i (E9X) F-100 The 5200 Series for theThe 5100 Series shock absorbers for the 2005 2011 BMW 3 Series 328i (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