AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 1999-2007 BMW 3 Series 330d Sedan/Touring/Coupe/Convertible (E46) 9-2X 2013 Audi A4 Quattro 2

2013 Audi A4 Quattro 2

2010 Audi RS6 Base (C6)

2015 Chevrolet SS Base (Zeta)

2000 Ford Mustang RWD

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (True Coilover) - 1999-2007 BMW 3 Series 330d Sedan/Touring/Coupe/Convertible (E46) 9-2X 2013 Audi A4 Quattro 2The 5100 Series shock absorbers for the 1999 2007 BMW 3 Series 330d Sedan Touring Coupe Convertible (E46) 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.